text Yogyakarta Graha Ilmu 2013 Cet. 1 xiii, 174 hlm. ilus. 23 cm. Sudaryono Penelitian pendidikan YOPDYOG 20141021080830.0 YOGYA000000000083931 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)