{{cite journal | last1=Al-Shayaa | first1=M. S. | author2=M. S. Al Shenifi | author3=H. S. AL Abdu Al Hadi | year=2011 | title=CONSTRAINTS TO USE COMPUTERS AMONG AGRICULTURAL EXTENSION WORKERS IN RIYADH AND QASEEM REGIONS OF SAUDI ARABIA | journal=Journal of Animal and Plant Sciences | volume=21 | issue=2 | pages=264-268 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2011-JAPS-232}}