text Jakarta Indo Camp 2008 ind vi, 22 hlm. : ilus. ; 24 cm. / R. Badrussalam Biogas T 665.776 Bad M PK 665.776 Bad M 979-020-229-6 YOPDYOG 20170323094554.0 YOGYA-02110000003537 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)