JAMIL, Siti Nur Amalina; SHAHRILL, Masitah; SARI, Yurizka Melia. Effects of Buddy system on year 9 students’ mathematical discernments and performance. JRAMathEdu (Journal of Research and Advances in Mathematics Education), [S. l.], v. 10, n. 2, p. 81–89, 2025. DOI: 10.23917/jramathedu.v10i2.7058. Disponível em: https://journals2.ums.ac.id/jramathedu/article/view/7058. Acesso em: 9 jul. 2026.