00328nam 2200808 4500001000400000003002300004005000900027008004100036082001100077100001900088260003300107250001900140245003700159808StarLibrary Marc Built20180713201711 ||||| |||||||||||amh  a510.13 abernard kolman bpearson prentice hall c2009 aالطبعة 6 adiscrete mathematical structures