Muhajir, M., and Y. D. Palupi. “Survival Analysis of Child Patient Diarrhea Using Kaplan Meier Method and Rank Log Test”. EKSAKTA: Journal of Sciences and Data Analysis, vol. 18, no. 1, Apr. 2018, pp. 74-84, doi:10.20885/eksakta.vol18.iss1.art8.