AL AYUBI, S. Improving Students Activity and Students Mathematic Learning Outcomes by Using Constructivism Learning Approach. Jurnal Axioma : Jurnal Matematika dan Pembelajaran, [S. l.], v. 3, n. 1, p. 1–11, 2018. Disponível em: http://ejurnal.uij.ac.id/index.php/AXI/article/view/305. Acesso em: 13 aug. 2022.