Journal Article
Cha, Seungman, Douk Kang, Benedict Tuffuor, Gyuhong Lee, Jungmyung Cho, Jihye Chung, Myongjin Kim, Hoonsang Lee, Jaeeun Lee, and Chunghyeon Oh.
"The effect of improved water supply on diarrhea prevalence of children under five in the Volta region of Ghana: a cluster-randomized controlled trial." International Journal of Environmental Research and Public Health 12, no. 10 (2015): 12127-12143.