A PHP Error was encountered

Severity: Notice

Message: Undefined variable: issue_info

Filename: front/publications.php

Line Number: 2

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 2
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: issue_info

Filename: front/publications.php

Line Number: 9

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 9
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

https://www.prdb.pk/volumes/">

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: issue_info

Filename: front/publications.php

Line Number: 19

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 19
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

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A PHP Error was encountered

Severity: Notice

Message: Undefined variable: issue_info

Filename: front/publications.php

Line Number: 19

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 19
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

https://www.prdb.pk/volumes/">

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: issue_info

Filename: front/publications.php

Line Number: 19

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 19
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

Volume /
ISSUE NO

Author(s):

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_authors

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_authors

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Invalid argument supplied for foreach()

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

Keyword(s):

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_key_words

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_key_words

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Invalid argument supplied for foreach()

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

Author(s):

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_authors

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_authors

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Invalid argument supplied for foreach()

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

Keyword(s):

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_key_words

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_key_words

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Invalid argument supplied for foreach()

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

Author(s):

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_authors

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_authors

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Invalid argument supplied for foreach()

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

Keyword(s):

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_key_words

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_key_words

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Invalid argument supplied for foreach()

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

Author(s):

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_authors

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_authors

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Invalid argument supplied for foreach()

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

Keyword(s):

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_key_words

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_key_words

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Invalid argument supplied for foreach()

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

Author(s):

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_authors

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_authors

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Invalid argument supplied for foreach()

Filename: front/publications.php

Line Number: 62

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 62
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

Keyword(s):

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_key_words

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: pub_key_words

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Invalid argument supplied for foreach()

Filename: front/publications.php

Line Number: 68

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 68
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

cat

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A PHP Error was encountered

Severity: Notice

Message: Undefined variable: top_authors

Filename: front/publications.php

Line Number: 95

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 95
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: front/publications.php

Line Number: 95

Backtrace:

File: /home/prdbpk/public_html/application/views/front/publications.php
Line: 95
Function: _error_handler

File: /home/prdbpk/public_html/application/controllers/Front.php
Line: 233
Function: view

File: /home/prdbpk/public_html/index.php
Line: 315
Function: require_once

Top 10 Articles of the Journal

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    Severity: Notice

    Message: Undefined variable: most_viewed_pubs

    Filename: front/publications.php

    Line Number: 110

    Backtrace:

    File: /home/prdbpk/public_html/application/views/front/publications.php
    Line: 110
    Function: _error_handler

    File: /home/prdbpk/public_html/application/controllers/Front.php
    Line: 233
    Function: view

    File: /home/prdbpk/public_html/index.php
    Line: 315
    Function: require_once

    A PHP Error was encountered

    Severity: Warning

    Message: Invalid argument supplied for foreach()

    Filename: front/publications.php

    Line Number: 110

    Backtrace:

    File: /home/prdbpk/public_html/application/views/front/publications.php
    Line: 110
    Function: _error_handler

    File: /home/prdbpk/public_html/application/controllers/Front.php
    Line: 233
    Function: view

    File: /home/prdbpk/public_html/index.php
    Line: 315
    Function: require_once