text Jakarta Yayasan Obor Indonesia 1991 Ed. 1 ind x, 214 hlm.;21 cm. Alam semesta 979-461-093-03 20110210123832654 YOGYA-02110000006449 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)