[1]
D. S. Kartika, S. S. Rahardjo, and B. Murti, “Multilevel Analysis on the Contextual Effects of Hygiene, Environmental Sanitation, and Diarrhea Prevention in Elementary School Students in Ngawi, East Java”, J Epidemiol Public Healt, vol. 4, no. 2, pp. 97–108, May 2017.