Guterres และผู้แต่งคนอื่นๆ. (2012) Factors influence household to use latrines after open defecation free declaration in Ermera Distritct, Timor-Leste. Chulalongkorn University:ม.ป.ท.Guterres และผู้แต่งคนอื่นๆ. 2012. Factors influence household to use latrines after open defecation free declaration in Ermera Distritct, Timor-Leste. ม.ป.ท.:Chulalongkorn University;Guterres และผู้แต่งคนอื่นๆ. Factors influence household to use latrines after open defecation free declaration in Ermera Distritct, Timor-Leste. ม.ป.ท.:Chulalongkorn University, 2012. Print.