{{cite journal | last1=PAKISTAN | author2=Z. Ali A. R. Rasheed | author3=S. Sidra | author4=Z. A. Nasir | author5=I. Colbeck | year=2015 | title=AIR QUALITY (PARTICULATE MATTER) AT HEAVY TRAFFIC SITES IN LAHORE, | journal=Journal of Animal and Plant Sciences | volume=25 | issue=3 | pages=378-382 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2015-JAPS-658}}