{{cite journal | last1=Shalaby | first1=M. Y. | author2=K. H. Al-Zahrani | author3=M. B. Baig | author4=G. S. Straquadine | author5=F. Aldosari | year=2011 | title=THREATS AND CHALLENGES TO SUSTAINABLE AGRICULTURE AND RURAL DEVELOPMENT IN EGYPT: IMPLICATIONS FOR AGRICULTURAL EXTENSION | journal=Journal of Animal and Plant Sciences | volume=21 | issue=3 | pages=581-588 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2011-JAPS-325}}