{{cite journal | last1=Ashraf | first1=S. | author2=Z. Y. Hassan | author3=I. Ashraf | year=2019 | title=DYNAMICS OF AGRICULTURAL EXTENSION SERVICES IN PAKISTAN: A HISTORY OF NATIONAL PERFORMANCE | journal=Journal of Animal and Plant Sciences | volume=29 | issue=6 | pages=1707-1717 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2019-JAPS-623}}