{{cite journal | last1=Khan | first1=H. | author2=H. U. Rehman | author3=J. Bakht | author4=S. A. Khan | author5=I. Hussain | author6=A. Khan | author7=S. Ali | year=2013 | title=GENOTYPE × ENVIRONMENT INTERACTION AND HERITABILITY ESTIMATES FOR SOME AGRONOMIC CHARACTERS IN SUNFLOWER | journal=Journal of Animal and Plant Sciences | volume=23 | issue=4 | pages=1177-1184 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2013-JAPS-435}}