text Columbus Charles E. Merrill Publishing 1983 Cet. 2 ind x, 468 hlm 26 cm Cecil D. Mercer Pendidikan khusus 371.9 20090227023725.0 YOGYA-02090000022920 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)