SUMAJI, S.; WIDIANINGRUM, E.; WANABULIANDARI, S.; PREMPRAYOON, K. The effectiveness of problem-based learning assisted with the ethnomathematics-based Geocube e-module on problem-solving skills. JRAMathEdu (Journal of Research and Advances in Mathematics Education), [S. l.], v. 10, n. 3, p. 135–145, 2025. DOI: 10.23917/jramathedu.v10i3.3228. Disponível em: https://journals2.ums.ac.id/jramathedu/article/view/3228. Acesso em: 16 nov. 2025.