KHOIRUR, R.; RAHMAN, A. Improving Students Activity and Students Learning Outcomes by Using Creative Problem Solving Learning with Used Box Props. Jurnal Axioma : Jurnal Matematika dan Pembelajaran, [S. l.], v. 2, n. 2, p. 103–124, 2017. Disponível em: http://ejurnal.uij.ac.id/index.php/AXI/article/view/294. Acesso em: 5 feb. 2023.