{{cite journal | last1=Bukhsh | first1=M. Ahmad alias H. A. | author2=R. Ahmad | author3=A. U. Malik | author4=S. Hussain | author5=M. Ishaque | year=2011 | title=PROFITABILITY OF THREE MAIZE HYBRIDS AS INFLUENCED BY VARYING PLANT DENSITY AND POTASSIUM APPLICATION | journal=Journal of Animal and Plant Sciences | volume=21 | issue=1 | pages=42-47 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2011-JAPS-116}}