00405nam a2200145Ia 4500003000400000008004100004040001600045082001600061100001700077245005100094700002000145260004100165300001000206650004300216GCL140319s9999    xx            000 0 eng d  aGCL / cGCL04a005.44bN P1 aASHLEY, RUTH10aPETER NORTON'S ADVANCED DOS 6 / cASHLEY, RUTH1 aFERNANDEZ, JUDI  a[S.N] : bBRADY PUBLISHING ، c1993  a484 P04aMS - DOS ( COMPUTER OPERATING SYSTEM )