Purwanto text Grafiti 2007 id 64hlm;15X21cm ilmu Tentang Pengetahuan Bumi 551.2 241224 20241224114824 INLIS000000000014843 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)