“Clustering Optimization Using K-Means With Principal Component Analysis and Mean-Median Based Centroid Initialization”. Sainmatika: Jurnal Ilmiah Matematika Dan Ilmu Pengetahuan Alam, vol. 22, no. 2, Dec. 2025, pp. 108-2, https://doi.org/10.31851/sainmatika.v22i2.20168.