text Yogyakarta Kementerian Pendidikan Pengadjaran & Kebudayaan RI 1949 44 hlm. : ilus. ; 21 cm. HLM. 3-44 Pendidikan 370 [23] 370 Ich YOPDYOG 20170523135422.0 INLIS000000000027770 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)