{{cite journal | last1=Bibi | first1=A. | author2=H. A. Sadaqat | author3=M. H. N. Tahir | author4=H. M. Akram | year=2012 | title=TOLERANCE AT SEEDLING STAGE IN POLYETHYLENE GLYCOL | journal=Journal of Animal and Plant Sciences | volume=22 | issue=3 | pages=671-678 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2012-JAPS-326}}