{{cite journal | last1=Andleeb | first1=S. | author2=Z. Ali | author3=F. Afzal | author4=A. A. Razzaq | author5=T.Mehmood | author6=N. Noor | author7=F. Rasheed | author8=Z.A.Nasir | author9=I. Colbeck | year=2015 | title=EXPOSURE TO NO2 IN OCCUPATIONAL BUILT ENVIRONMNETS IN URBAN CENTRE IN LAHORE | journal=Journal of Animal and Plant Sciences | volume=25 | issue=3 | pages=389-392 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2015-JAPS-660}}