text Jakarta Universitas Terbuka Depdikbud 1987 Cet. 1 ind [131] hlm . : ilus . ; 29 cm Demografi 20101005085753172 YOGYA-10100000000864 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)