AMELIA, R.; NURLAELA, N. The effectiveness of open-ended worksheet-based learning in exponential material to enhance middle school students’ mathematical conceptual understanding. International Journal of Advance Research in Mathematics Education, [S. l.], v. 2, n. 2, p. 87–97, 2024. DOI: 10.56916/ijr.v2i2.2467. Disponível em: https://ejournal.papanda.org/index.php/ijarme/article/view/2467. Acesso em: 12 jan. 2026.