Boonrod Sawatdiphanich. (1997) The efficiency of aquatic plant systems for domestic wastewater treatment. Mahidol University,:ม.ป.ท.Boonrod Sawatdiphanich. 1997. The efficiency of aquatic plant systems for domestic wastewater treatment. ม.ป.ท.:Mahidol University,;Boonrod Sawatdiphanich. The efficiency of aquatic plant systems for domestic wastewater treatment. ม.ป.ท.:Mahidol University, 1997. Print.