na INLIS000000000003650 20151116095002.0 a 141002 2007 jki ind 979-799-025-0 010-101400000000032 [21] 628.4 628.4 Gun m GUNAWAN, Gugun Mengolah sampah jadi uang / Gugun Gunawan Cet.1. Jakarta : TransMedia Pustaka, 2007 viii, 102 hlm. ; 23 cm PELUANG USAHA SUPUDES 5670/KPAD/DS/2007