Penelitian ilmiah Nasution text Jakarta Pt Bumi Aksara 2002 1 156 Nasution 001 001 NAS m 979-526-235-1 20250303122330 INLIS000000000000696 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)