text Jakarta Penebar Swadaya 1997 Cet. 1 ind vi, 49 hlm ilus 21 cm Farry B. Paimin ; ilustrasi, J. Sugito Bibliografi : hlm. 48-49 Biogas 665.776 979-489-395-1 20090227025059.0 YOGYA-02090000036046 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)