Yitayal , M. ., Berhane, Y. ., Worku, A. ., & Kebede , Y. . (2017). Graduating Rural Households as Model Families Has Increased Latrine Utilization in West Gojjam Zone, Amhara Region, Ethiopia. Ethiopian Journal of Health and Biomedical Sciences, 8(1), 77–88. https://doi.org/10.20372/ejhbs.v8i1.285