Erwan Agus Purwanto, Ph.D text Yogyakarta Gava Media 2007 id xviii + 215 hlm .; 14 X 21 cm 300 979-1078-11-4 190401 20190401100952 INLIS000000000022226 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)