“A Cost-Sensitive K-Nearest Neighbors (K-NN) Classification in Handling Multi-class Imbalance Problem”, Internetworking Indonesia, vol. 13, no. 2, pp. 17–21, Dec. 2021, Accessed: Feb. 25, 2026. [Online]. Available: https://internetworkingindonesia.org/index.php/iij/article/view/60