Hary Lubis text Yogyakarta ANDI 2007 Printing 1 ind xii, 152 hal. : bagan 23 cm PENELITIAN, METODE 001.4 001.4 JON m 9792900415 200227 20200227031225 INLIS000000000057403 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)