Elhefnawy, mohamed.
communication (1) / mohamed Elhefnawy. - cairo : october 6 University, [2015]. - 132 p : ill ; 30 cm.
كليه الهندسة 2015.
004.6 / m c
communication (1) / mohamed Elhefnawy. - cairo : october 6 University, [2015]. - 132 p : ill ; 30 cm.
كليه الهندسة 2015.
004.6 / m c