00423nam a2200157Ia 4500003000400000008004100004040001600045082001300061100002100074245005700095700002500152260003000177300000800207650002500215650002500240GCL140319s9999    xx            000 0 eng d  aGCL / cGCL04a004bH C1 aSAWYER, STAVY  C10aCOMPUTERS: THE USER PERSPECTIVE / cSAWYER, STAVY  C1 aHUTCHINSON, SARAH  E  a[S.N] : bIRWIN ، c1992  a85604aAPPLICATION SOFTWARE04aEND - USER COMPUTING