00399nam 2209768 45000010005000000030023000050050009000280080041000371000054000782600075001323000013002072450059002209768StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  aKing Saud University University Libraries (Publis bRiyadh(SAUDI ARABIA): University Libraries King Saud University c1982 a169-347p aJournal of the College of Science King Saud University