Ir. Tuhana Taufik A., M.M text Klaten SMKK 2013 id 48 hlm.; 14,1 x 21 cm Produksi Biogas 665.77 978-979-1136-61-7 180916 20180916010025 INLIS000000000001844 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)