SYABAN, M. MENGGUNAKAN OPEN-ENDED UNTUK MEMOTIVASI BERPIKIR MATEMATIKA. EDUCARE, [S. l.], v. 2, n. 2, 2006. Disponível em: https://jurnal.fkip.unla.ac.id/index.php/educare/article/view/30. Acesso em: 8 sep. 2024.