{{cite journal | last1=Elhendy | first1=A. M. | author2=S. H. Alkahtani | year=2013 | title=THE RESOURCE USE EFFICIENCY OF CONVENTIONAL AND ORGANIC DATE FARMS IN SAUDI ARABIA: A DATA ENVELOPMENT ANALYSIS APPROACH | journal=Journal of Animal and Plant Sciences | volume=23 | issue=2 | pages=596-602 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2013-JAPS-240}}