na INLIS000000000002231 0010-0121000597 Feasibility study for West Pasaman irrigation project [s.l] GATC 1981 iv, 205 p. ill ; 29 cm 631.67 631.67 IRIGASI-PASAMAN BARAT IRIGASI PASAMAN BARAT STUDI KELAYAKAN FEASIBILITY STUDY IRRIGATION-WEST PASAMAN IRRIGATION. 3294 3294