na INLIS000000000000611 20230614101631 0010-052200000000301 230614 g 1 ind Sistem Pengolahan Informasi / william S Davis Davis S William Jakarta : Erlangga, 1986 "x, 531 p. : ill. ; 21 cm 681.14 INFORMATION COMPUTERS. 1 659.2 659.2 DAV s 1463