{{cite journal | last1=Al-Hamed | first1=S. A. | author2=M. F. Wahby | author3=S. M. Al-Saqer | author4=A. M. Aboukarima | author5=Ahmed A. Sayedahmed | year=2013 | title=ARTIFICIAL NEURAL NETWORK MODEL FOR PREDICTING DRAFT AND ENERGY REQUIREMENTS OF A DISK PLOW | journal=Journal of Animal and Plant Sciences | volume=23 | issue=6 | pages=1714-1724 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2013-JAPS-636}}