Siagian, Sondong P text Jakarta PT. Bumi Aksara 2005 Ed. 2; Cet. 5 xii + 132 hlm : ilus ; 23 x 15,5 cm 129 Prof. Dr. Sondang P. Siagian, MPA Sistem Informasi Manajemen 658 658 SIA s 979-526-493-2 240611 20240611015857 INLIS000000000001875 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)