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://118754.2bdvi7ajx.asia/index.php/jmsk/article/view/32099. Acesso em: 19 jan. 2025.