TSABITAH, I. Measuring mathematical problem-solving ability: a validity and reliability testing scheme for developing quality tests. Journal of Philosophy and Research in Islamic Mathematics Education (J-PRIMa), [S. l.], v. 1, n. 1, p. 49–62, 2025. Disponível em: https://riset.unisma.ac.id/index.php/j-prima/article/view/25135. Acesso em: 23 jul. 2026.