text Jakarta Raja Grafindo Persada 2007 Cet. 1 ind ix, 236 hlm. : ilus. ; 22 cm. Sardiman A.M Bibliografi : hlm. 233-236 Motivasi dalam pendidikan 370.154 Sar I 1236-PD/P.08 979-421-051-X YOPDYOG 20150814093348.0 YOGYA-02090000069888 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)