text Jakarta Erlangga 1991 Cet. 2 ind ix, 160 hlm ilus 24 cm T.S. Hutauruk Bibliografi : hlm. 159-160 Listrik, Tenaga 621.31 20090227022743.0 YOGYA-02090000017375 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)