YENI D. FONATABA; RONALDO KHO; BETTISARI NAPITUPULU; IRFAN WAHYUDI; HAPPY LUMBANTOBING. Ethnomathematics at TIFA Yapen as A Source for Learning Mathematics. Hipotenusa: Journal of Mathematical Society, [S. l.], v. 5, n. 2, p. 132–146, 2023. DOI: 10.18326/hipotenusa.v5i2.536. Disponível em: https://ejournal.uinsalatiga.ac.id/index.php/hipotenusa/article/view/536. Acesso em: 20 mei. 2024.