00293nam 2200812 4500001000400000003002300004005000900027008004100036082001100077100001800088260002300106250001900129245001300148812StarLibrary Marc Built20180713201711 ||||| |||||||||||amh  a510.17 aearl swokoski bpws company c1994 aالطبعة 6 acalculus