text Jakarta Yagrat 1978 Cet. 1 ind xiv, 110 hlm ilus 21 cm O.P. Simorangkir Etika kerja 20090227024113.0 YOGYA-02090000026966 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)