{{cite journal | last1=El-Yazal | first1=S. A. Seif | author2=H. F. Alharby | author3=M. A. Seif El-Yazal | author4=G. M. Hassan | author5=M. M. Rady | year=2017 | title=MOLECULAR IDENTIFICATION OF SOME SEEDLING OF DATE PALM (Phoenix dactylifera L.) MALES’ TREES | journal=Journal of Animal and Plant Sciences | volume=27 | issue=4 | pages=1287-1294 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2017-JAPS-163}}