{{cite journal | last1=Shah | first1=T. | author2=U. Hayat | author3=M. Tariq2 S. B. Khan | author4=L. Wang | year=2020 | title=AN ECONOMIC ASSESSMENT OF MODEL FARM SERVICES CENTER IN TERMS ON FARMERS’ PERFORMANCE | journal=Journal of Animal and Plant Sciences | volume=31 | issue=3 | pages=791-800 | doi=10.36899/JAPS.2021.3.0269 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=AGECO-19-0029}}