RIPER, Van text New York Prantice-Hall 1950 2nd. Ed eng xvii, 470 hlm : ilus ; 23 cm Van Riper Indeks Pendidikan Khusus 371.914 371.914 RIP s 180730 20180730100423 YOGYA-02090000016793 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)