{{cite journal | last1=Abbas | first1=G. | author2=M. A. Ali | author3=G. Abbas | author4=M. Azam | author5=I. Hussain | year=2009 | title=IMPACT OF PLANTING METHODS ON WHEAT GRAIN YIELD AND YIELD CONTRIBUTING PARAMETERS | journal=Journal of Animal and Plant Sciences | volume=19 | issue=1 | pages=30-33 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2009-JAPS-111}}