na INLIS000000000000226 20150302103615.0 Ind 010-061300000000226 Ind 92(Gates) 92(Gates) Mar b Marshall, David Bill Gates dan Microsoft / David Marshall; alih bahasa Samantha Armshong Jakarta Gramedia 1997 99 hlm. : ilus. ; 21 cm Gates 1955 Armstrong, Samantha NBPNMAT