text Jakarta Gramedia 1985 Cet. 5 ind ix, 127 hlm ilus 21 cm / W.S. Winkel Bibliografi : hlm. 123-126 Pendidikan - Bimbingan 371.422 YOPDYOG 20150305081231.0 YOGYA-02090000029947 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)