Dembo Fatty และผู้แต่งคนอื่นๆ. (2022) Eliminating open defecation in Africa: a documentary review on the lessons learned by the republics of the Gambia and Sierra Leone. Thammasat University:ม.ป.ท.Dembo Fatty และผู้แต่งคนอื่นๆ. 2022. Eliminating open defecation in Africa: a documentary review on the lessons learned by the republics of the Gambia and Sierra Leone. ม.ป.ท.:Thammasat University;Dembo Fatty และผู้แต่งคนอื่นๆ. Eliminating open defecation in Africa: a documentary review on the lessons learned by the republics of the Gambia and Sierra Leone. ม.ป.ท.:Thammasat University, 2022. Print.