Shajib, S.M. Shahjahan . Computer operators guide / S.M. Shahjahan Shajib. - Dhaka : Gyankosh Prokashani , 1998. - 1135p. : ill.,tables ; 22cm Include CD . NULL ISBN: Rs. 425.00 (Pbk) Subjects--Index Terms: COMPUTER ORGANISATION Dewey Class. No.: 005.43 / SHA/C