Astari, M. R., M. T. Nuruzzaman, and B. Sugiantoro. “Comparison of K-Nearest Neighbor, Support Vector Machine, Random Forest, and C 4.5 Algorithms on Indoor Positioning System”. IJID (International Journal on Informatics for Development), vol. 12, no. 1, June 2023, pp. 302-13, doi:10.14421/ijid.2023.3991.