Suhanda, Y. ., L. . Nurlaela, I. . Kurniati, A. Dharmalau, and I. . Rosita. “Predictive Analysis of Customer Retention Using the Random Forest Algorithm”. TIERS Information Technology Journal, vol. 3, no. 1, June 2022, pp. 35-47, doi:10.38043/tiers.v3i1.3616.