Gonggo Prio Trilaksono, and Arief Wibowo. “Analysis of the Effectiveness of Employee Training Programs Using K-Means Algorithm Based on RapidMiner in an Industrial Catering Company in Jakarta”. International Journal of Economics, Business and Innovation Research, Vol. 5, no. 04, June 2026, pp. 1649-62, doi:10.63922/ijebir.v5i04.4463.