HARON, Nor Hisham. A Group Assignment Formation Using Cluster Analysis. Pena Modern Practices in Teaching and Learning , [S. l.], v. 2, n. 1, p. 55–65, 2025. Disponível em: http://penacendekia.com.my/index.php/pmptl/article/view/39. Acesso em: 18 sep. 2025.