Laporan Penunjang text Medan CV. Multi Systems 1993 149 p. ill ; 30 cm PRA STUDI KELAYAKAN FEASIBILITY STUDI SUMATERA UTARA NORTH SUMATERA 631.67 631.67 INLIS000000000002257 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)