{{cite journal | last1=Khan | first1=B. B. | author2=R. Nawaz | author3=K. M. Chaudhry A. U. Hyder | author4=T. M. Butt | year=2012 | title=EVALUATION OF COMPARATIVE ACADEMIC PERFORMANCE OF UNDERGRADUATE STUDENTS AT UNIVERSITY LEVEL | journal=Journal of Animal and Plant Sciences | volume=22 | issue=3 | pages=798-801 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2012-JAPS-347}}