text Yogyakarta Graha Ilmu 2013 Cet. 1 x, 172 hlm. 26 cm. Sutarno Sumber Daya Energi YOPDYOG 20141015102411.0 YOGYA000000000083896 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)