Gonggo Prio Trilaksono and Arief Wibowo (2026) “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, 5(04), pp. 1649-1662. doi: 10.63922/ijebir.v5i04.4463.