Wangge, M., Dasari, D. . and 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), pp. 416–425. doi: 10.20956/j.v20i2.32099.