na INLIS000000000000807 20211115102521 0010-1121000131 ta 211115 g 0 ind 979-020-232-6 631.15 631.15 BAD m BADRUSSALAM, R Membuat biogas dari sampah organik / R Badrussalam Cet. 1 Jakarta : Indocamp, 2008 vi, 22 p : ill ; 24 cm Biogas 1422/B/2015 1422.1/B/2015 1422.2/B/2015 1422.3/B/2015