Mahdi , Hisham Arafat Lecture notes In Construction Contracts, Bids & Specifications construction department 4th year / [[Book] :] Hisham Arafat Mahdi. - egypt : october 6 University, 2007. - 79 p : ill ; 28 cm. Subjects--Personal Names: Specifications Dewey Class. No.: 625.7 National Library of Medicine Call No.: 625.7 / M L