text Jakarta Gramedia 1989 Cet. 7 ind ix, 127 hlm. : ilus. ; 21 cm. / W.S. Winkel Bibliografi : hlm.123-126 Pendidikan, bimbingan 371.422 YOPDYOG 20150305081140.0 YOGYA-02090000015964 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)