na INLIS000000000009627 20140109114357 180129||||||||| | ||| |||| || | 979-688-968-4 0010-011400000009627 id 658.4 658.4 Hel b Heller, Robert Bill Gates Jakarta Erlangga 2007 - + 112 hlm. : ilus. ; 21 cm. Indeks hal.110, Bibliografi hal.109 ILMU TEKNOLOGI