00318nam 2214621 450000100060000000300230000600500090002900800410003810000240007926000450010324500620014814621StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  aAl-Azhar University bCairo(EGYPT): Al-Azhar University c2006 aCivil Engineering Research Magazine / Al-Azhar University