Sondang P. Siagian "SIAGIAN, Sondang P" text Jakarta Bumi Aksara 2006 ind "xii, 132p. ; 23 cm" INFORMATION MANAGEMENT ISBN 979-526-493-2 65.012.45 220516 20220516130655.0 INLIS000000000001297 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)