WANGGE, M.; DASARI, D. .; TURMUDI, T. K-Means Classification Analysis of Concept Understanding and Self-efficacy: Exploring the Relationship in an Educational Context. Jurnal Matematika, Statistika dan Komputasi, [S. l.], v. 20, n. 2, p. 416-425, 2023. DOI: 10.20956/j.v20i2.32099. Disponível em: http://journal.unhas.ac.id/index.php/jmsk/article/view/32099. Acesso em: 13 may. 2024.