Oyibo , PG. “Evaluation of the Efficacy of Chemotherapy Based Control of Soil-Transmitted Helminth Infections and Schistosomiasis Among School-Age Children in Sub-Saharan Africa”. African Journal of Tropical Medicine and Biomedical Research 1, no. 3 (November 3, 2020): 58–71. Accessed April 19, 2024. https://ajtmbr.org.ng/index.php/home/article/view/18.