First International Conference of Biological Sciences ICBS-4th -5th March 2009 2009-03-04 Assiut University
12th Ibn Sina International Conference on Pure and Applied Heterocyclic Chemistry 2012-02-13 Assiut University
30th International Conference on Ore potential of Alkaline, Kimberlite and Carbonatite Magmatism 2013-09-07 Assiut University