Laporan akhir pra study kelayakan persawahan daerah irigasi Bajayu text Medan C.V Multi Systems Engineering Consultan 1993 ix, 140 p. ill ; 29 cm IRRIGATION FEASIBILITY STUDIES NORTH SUMATERA SUMATERA UTARA IRIGASI STUDI KELAYAKAN 631.67 631.67 INLIS000000000002230 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)