Setiawan, E., Surarso, B., & Nugraheni, D. M. K. (2025). Customer Segmentation Based on Recency, Frequency, Monetary Analysis Using K-Means Algorithms in Apple Ecosystem. Jurnal Penelitian Pendidikan IPA, 11(2), 634–641. https://doi.org/10.29303/jppipa.v11i2.10011