Rahman และ Taufiqur. (1995) Factors affecting utilization of water sealed latrines by the villagers in Klong Khlung district of Kamphaeng Phet province, Thailand. Mahidol University,:ม.ป.ท.Rahman และ Taufiqur. 1995. Factors affecting utilization of water sealed latrines by the villagers in Klong Khlung district of Kamphaeng Phet province, Thailand. ม.ป.ท.:Mahidol University,;Rahman และ Taufiqur. Factors affecting utilization of water sealed latrines by the villagers in Klong Khlung district of Kamphaeng Phet province, Thailand. ม.ป.ท.:Mahidol University, 1995. Print.