SURYANDARI, Savitri. Student Team Achievement Division for Underachiever in Learning Mathematics among Indonesia Public Senior High School Students. Journal of Education Research, [S. l.], v. 5, n. 2, p. 2205–2213, 2024. DOI: 10.37985/jer.v5i2.1181. Disponível em: https://jer.or.id/index.php/jer/article/view/1181. Acesso em: 2 aug. 2025.