Training Workshop for a Group of Sudanese Engineers - March 2019
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http://engfac.mans.edu.eg/2021-01-31-10-05-06/8392-pictures44-3#sigProIdecaad4c21c
http://engfac.mans.edu.eg/2021-01-31-10-05-06/8392-pictures44-3#sigProIdecaad4c21c