SIAGIAN, Sondang text Jakarta Rineka Cipta 2002 ind IND iv, 234 hlm. ; 23 cm DEWASA Sondang Siagian TENAGA KERJA - PRODUKTIVITAS 331.18 979-518-847-x JKPDJAK 20100302120826.0 JAKPU-03100000035442 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)