Wangge, M., Dasari, D. ., & Turmudi, T. (2023). K-Means Classification Analysis of Concept Understanding and Self-efficacy: Exploring the Relationship in an Educational Context. Jurnal Matematika, Statistika Dan Komputasi, 20(2), 416–425. https://doi.org/10.20956/j.v20i2.32099