The Second Tomato Quality Workshop. 12-14 July 1976. University of California- Davis, California, USA.
The Summer Travel Course on Environmental Horticulture and Landscape Floriculture. May 1978. California, USA.
Postharvest Technology Short Course. 16-29 July1979. University of California- Davis, California, USA.
Fifth Conference of Information Technology on Electronic Government (E-Gov.). Arab Organization for Adminstrative Development. Sharma Asheikh, Egypt Arab Repablic. 4-8 September, 2005.
Training Course on Strategies of Adminstrative Planning. (Professor Ayman Abdl Raheim). European Business Center for Development and Training. Asham Hotel, Damascus, Serya Arab Repablic. 3-7 September, 2006.
Seminar for African Senior Education Officials. Ministry of Commerce, People’s Republic of China. Northeast Normal University, Changchun. 16-30 November, 2006.
