Wanpiya Phiw-ngam และ Thares Srisatit. (2009) Influencing factors for water demand forecasting of megacity case study of Bangkok Metropolitan Administration. Chulalongkorn University:ม.ป.ท.Wanpiya Phiw-ngam และ Thares Srisatit. 2009. Influencing factors for water demand forecasting of megacity case study of Bangkok Metropolitan Administration. ม.ป.ท.:Chulalongkorn University;Wanpiya Phiw-ngam และ Thares Srisatit. Influencing factors for water demand forecasting of megacity case study of Bangkok Metropolitan Administration. ม.ป.ท.:Chulalongkorn University, 2009. Print.