Siriorn Boonyawanich. (1999) The effect of carbamate insecticide on the growth of three aquatic plant species : Ipomoea aquatica, Pistia stratiotes and hydrocharis dubia. Mahidol University,:ม.ป.ท.Siriorn Boonyawanich. 1999. The effect of carbamate insecticide on the growth of three aquatic plant species : Ipomoea aquatica, Pistia stratiotes and hydrocharis dubia. ม.ป.ท.:Mahidol University,;Siriorn Boonyawanich. The effect of carbamate insecticide on the growth of three aquatic plant species : Ipomoea aquatica, Pistia stratiotes and hydrocharis dubia. ม.ป.ท.:Mahidol University, 1999. Print.