cara membuat dan memanfaatkannya Dewan Redaksi Bhratara text Jakarta Bhratara 1995 Cet. 3 ind vii, 47 hlm ilus 21 cm Dewan redaksi Bhratara Judul asli : Biogas what it is bow it is made how to use it Biogas 665.776 979-410-170-2 20090227025100.0 YOGYA-02090000036069 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)