text Jakarta Pradnya Paramita 1981 Cet. 3 ind 106 hlm ilus 21 cm Sagimun Mulus Dumadi Bibliografi : hlm. 104 Psikologi pendidikan 137 20090227022014.0 YOGYA-02090000010116 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)