1- 1966. The British – Belgian Physiological Society Conference,
Louvain, Belgium.
2- 1969. International Congress in Pharmacology, Basil, Switzerland.
3- 1975. World Veterinary Congress, Thessaloniki, Greece.
4- 1978. Universities Congress, Dubrovnik, Yugoslavia .
5- 1978. World Federation of the United Nation Association Conference, Geneva,
Switzerland.
6- 1981. Third African Conference of the United Nation Associations, Khartoum , Sudan.
7- 1981. United Nations Conference on New and Renewable Sources of Energy, Nairobi,
Kenya .
8- 1983. Second Congress of UASPHAR in Cairo, Egypt.
9- 1985. ( xxll) -22nd World Veterinary Congress in Perth, Western Australia.
10- 1985. Congress of Arab Veterinary Associations in Cairo, Egypt.
11- 1991- 1993. Meetings of Presidents of Arab Universities in Qatar and Jordan and Meeting of Vice Chancellors of African Universities in Ghana (Accra).
