Warning: ini_set(): A session is active. You cannot change the session module's ini settings at this time in C:\inetpub\wwwroot\NLPS\OJS33\lib\pkp\classes\session\SessionManager.inc.php on line 69
<div class="csl-bib-body">
  <div class="csl-entry"><div class="csl-left-margin">1.</div><div class="csl-right-inline">Faiz Y, Waheed S, Siddique N. Air Quality Assessment of Faisalabad and Gujranwala Cities of Pakistan: Application of Pollution Indices. The Nucleus [Internet]. 2015 May 26 [cited 2026 Jun. 6];52(2):55-62. Available from: http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/650</div></div>
</div>