Wardani, S., R. Dalimunthe, and A. Syahputra. “Application of K-Means Data Mining to Measure the Level of Satisfaction of KITA Car Driving Course”. INVOTEK: Jurnal Inovasi Vokasional Dan Teknologi, Vol. 25, no. 1, Aug. 2025, pp. 1-12, doi:https://doi.org/10.24036/invotek.v25i1.1248.