text Jakarta Gramedia 1991 ind 500 hlm. 21x14 cm Sjahrir Metode Riset Penelitian Ekonomi 330072 330072 SJA A C.1 INLIS000000000001435 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)