text Yogyakarta BPFE 1995 Ed. 1, cet. 1 ind viii, 172 hlm ilus 22 cm Sukamto Reksohadiprodjo ...[et.al.] Bibliografi : hlm. 171-172 Sumber energi alam - Aspek ekonomi 333.7 20090227040112.0 YOGYA-02090000062908 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)