na YOGYA-04110000000614 20150428114534.0 ind 978-979-033-255-3 0010-041100000000614 920 R 920 Hel B Heller, Robert Bill Gates / Robert Heller ; alih bahasa Hernhayu Noerlambang ; editor Ratri Medya, Yati Sumiharti Jakarta Esensi 2008 111 hlm ilus 21 cm hlm 109 Bill Gates Noerlambang, Herbhayu Medya, Ratri Sumiharti, Yati YOPDYOG 50727-PD/B.10 50728-PD/B.10 50729-PD/B.10