Robbins, Judd. Mastering dos 6.0 & 6.2 / Judd Robbins. - 2nd special ed. - New Delhi : BPB Pub., 1994. - xxxiv, 1018p. : ill. ; 30 cm. ISBN: 8170293138 Subjects--Topical Terms: Computers - Dos. Dewey Class. No.: 001.644 / ROM 1994