SEMBIRING, R. K. B. .; SARI, A. S. P. . ANALISIS KEMAMPUAN PEMAHAMAN MATEMATIKA BERBASIS PENILAIAN PORTOFOLIO. Cartesius : Jurnal Pendidikan Matematika, [S. l.], v. 5, n. 1, p. 59–64, 2022. Disponível em: https://ejournal.ust.ac.id/index.php/CARTESIUS/article/view/2078. Acesso em: 22 jul. 2024.