Sumardi, M. Sc text jakarta Esensi Erlangga 2006 id 153.8 153.8 SUM p 978-979-015-517-6 190923 20190923031808 INLIS000000000402489 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)