text Jakarta Gramedia PU 1993 xiii, 102 hlm. ; 21 cm. Filsafat Ilmu Pengetahuan 121 121 Hak 979-511-809-9 20170314144139.0 YOGYA000000000017885 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)