W, K., and B. C. “Hospital Waste and Typhoid Fever, a Public Health Problem in Hospital: Cases of Nurses in Four Care Institutions in Kinshasa (Rd. Congo)”. International Journal of Current Innovations in Advanced Research, vol. 1, no. 2, June 2018, pp. 17-22, https://ijciar.com/index.php/journal/article/view/10.