michael purba text Jakarta erlangga 2006 en ix,326hlm.;22 cm cet.9 Ilmu Murni 541.3 979-781-735-0 241224 20241224112448 INLIS000000000002030 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)