Development of Production Wells in Kedah & Perlis Vol. 5: Water Treatment - Groundwater Dev. Consult. (Int.) Ltd. and Jurutera Konsultant (S.E.A.) Sdn. Bhd. 1983 - p. Subjects--Topical Terms: IRRIGATION.CONSTUDY.PADDY. Subjects--Geographic Terms: KEDAH.Malaysia, Kedah.