Yongsi H.B., N., Lutumba A., N., R. Christopher, B., Tiafack, O. y Thora M., H. 2009. Uncontrolled Draining of Rainwater and Health Consequences in Yaoundé – Cameroon. Acta Universitaria. 19, 2 (ago. 2009), 20–30. DOI:https://doi.org/10.15174/au.2009.95.