S. Usali R, E. Darmawan, and N. U. Kurniawan, “Survival Analisis Suhu Tubuh pada Pasien Diare yang Diberikan Vitamin D: Survival Analysis of Body Temperature in Patient Diarrhea Which is Given Vitamin D”, J Surya Medika, vol. 5, no. 2, pp. 139–145, Feb. 2020.