VISUAL aids in fundamental education Some personal experiences text Paris UNESCO 1952 ind 168 hlm ilus 21 cm Audiovisual - Pendidikan 371.335 20090227024441.0 YOGYA-02090000030108 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)