{{cite journal | last1=Zainab | first1=I. | author2=Z. Ali | author3=M. S. Ahmad | author4=Z. Zona | author5=S. T. Raza | author6=S. Safdar | author7=Z. A. Nasir | author8=I. Colbeck | author9=W. Liu | year=2015 | title=MONITORING OF PARTICULATE MATTER CONCENTRATIONS AT HIGH ALTITUDE ECOSYSTEMS OF PAKISTAN AND CHINA | journal=Journal of Animal and Plant Sciences | volume=25 | issue=3 | pages=433-435 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2015-JAPS-667}}