SOBIR PHD text Jakarta PT. Penerbit Swadaya 2010 id 634.672 979-002-444-4 210323 20210323085252 INLIS000000000000313 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)