NIHAYATURRAHMAH, S. Improving Students Activity and Students Learning Outcomes by Using Problem Centered Learning (PCL) Setting Numbered Head Together (NHT). Jurnal Axioma : Jurnal Matematika dan Pembelajaran, [S. l.], v. 3, n. 1, p. 60–75, 2018. Disponível em: https://ejurnal.uij.ac.id/index.php/AXI/article/view/310. Acesso em: 24 nov. 2024.