Wikarsa, L., V. D. Kumenap, and K. K. Toar. “Implementation of the C4.5 Algorithm in Predicting the Number of Outpatient Visits Using JKN-KIS at Noongan Hospital”. CogITo Smart Journal, vol. 8, no. 1, June 2022, pp. 13-24, doi:10.31154/cogito.v8i1.351.13-24.