KUMIE, A. The effect of improved water and sanitation on diarrhea: Evidence from pooled Ethiopia Demographic and Health Surveys – A multilevel mixed-effects analysis. The Ethiopian Journal of Health Development , [S. l.], v. 34, n. 4, 2020. Disponível em: https://ejhd.org/index.php/ejhd/article/view/3249. Acesso em: 17 jan. 2021.