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Rahman และผู้แต่งคนอื่นๆ. 1995. Factors affecting utilization of water sealed latrines by the villagers in Klong Khlung district of Kamphaeng Phet province, Thailand. Faculty of Graduate Studies, Mahidol University;
Rahman และผู้แต่งคนอื่นๆ. (1995) Factors affecting utilization of water sealed latrines by the villagers in Klong Khlung district of Kamphaeng Phet province, Thailand . Mahidol University/Bangkok.
Rahman และผู้แต่งคนอื่นๆ. Factors affecting utilization of water sealed latrines by the villagers in Klong Khlung district of Kamphaeng Phet province, Thailand. . Bangkok:Mahidol University, 1995.
Rahman และผู้แต่งคนอื่นๆ. (1995) Factors affecting utilization of water sealed latrines by the villagers in Klong Khlung district of Kamphaeng Phet province, Thailand . Mahidol University/Bangkok.