Charun Radchanui. (1993) Morphology of the Ubolratana reservoir and changes in the yield of fish specie and abundance. Mahidol University,:ม.ป.ท.Charun Radchanui. 1993. Morphology of the Ubolratana reservoir and changes in the yield of fish specie and abundance. ม.ป.ท.:Mahidol University,;Charun Radchanui. Morphology of the Ubolratana reservoir and changes in the yield of fish specie and abundance. ม.ป.ท.:Mahidol University, 1993. Print.