Katawut Waiyasusri และ Sombat Yumuang. (2011) Factors and their relationships affecting land use change during 1988-2007 and predicting future land use by clue-s model in Huai Thap Salao watershed, Changwat Uthai Thani. Chulalongkorn University:ม.ป.ท.Katawut Waiyasusri และ Sombat Yumuang. 2011. Factors and their relationships affecting land use change during 1988-2007 and predicting future land use by clue-s model in Huai Thap Salao watershed, Changwat Uthai Thani. ม.ป.ท.:Chulalongkorn University;Katawut Waiyasusri และ Sombat Yumuang. Factors and their relationships affecting land use change during 1988-2007 and predicting future land use by clue-s model in Huai Thap Salao watershed, Changwat Uthai Thani. ม.ป.ท.:Chulalongkorn University, 2011. Print.