Jain, V.K.. O level : module 2 - part 1 personal computer software / V.K. Jain. - / . - New Delhi : BPB Publications , 2000. - xxix,464p. : ill.,figs.,tables ; 25cm . NULL ISBN: 8176562610 Rs. 165.00 Subjects--Index Terms: COMPUTERS Dewey Class. No.: 004 / JAI/O