Krongchai Hattha. (1989) Properties and adsorption capability of coastal lowland soils in changwat Narathiwat. Mahidol University,:ม.ป.ท.Krongchai Hattha. 1989. Properties and adsorption capability of coastal lowland soils in changwat Narathiwat. ม.ป.ท.:Mahidol University,;Krongchai Hattha. Properties and adsorption capability of coastal lowland soils in changwat Narathiwat. ม.ป.ท.:Mahidol University, 1989. Print.