na INLIS000000000006733 20150723101818.0 150723 2007 jbi ind 010-071500000000187 [22] 666.776 666.776 Mul b MULYANA, Dede Bisnis pembuatan biogas / Dede Mulyana, Dadan & Asep Cet.1. Garut : BSD MIPA, 2007 iv, 27 hlm. ; 25 cm BIOGAS SUPUDES 1248/KPAD/DS/2008