text Yogyakarta Gadjah Mada University Press 1994 Cet. 1 ind x, 271 hlm. : ilus. ; 21 cm. Penelitian, metode 979-420-304-1 YOPDYOG 20150528084745.0 YOGYA-02110000001843 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)