{{cite journal | last1=Nawaz | first1=M. | author2=S | author3=A. Anjum | author4=U. Ashraf | author5=I. Khan | author6=S. Hussain | author7=A. Zohaib | author8=Y. Hubiao | author9=W. Zhiyong | year=2020 | title=ASSESSMENT OF CROPPING SYSTEM PRODUCTIVITY, PROFITABILITY AND ECONOMIC EFFICIENCY OF WHEAT | journal=Journal of Animal and Plant Sciences | volume=30 | issue=2 | pages=467-474 | doi=10.36899/JAPS.2020.2.0041 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=AGECO-18-0020}}