panduan ke masa depan teknologi energi text Jakarta Erlangga 2003 ind 72 hlm : ilus ; 18 cm SUMBER ENERGI 333 7 333 7 WAL e 979-741-536-8 210624 20210624111447 JAKPU-03100000015677 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)