Nihayaturrahmah, S. (2018) “Improving Students Activity and Students Learning Outcomes by Using Problem Centered Learning (PCL) Setting Numbered Head Together (NHT)”, Jurnal Axioma : Jurnal Matematika dan Pembelajaran, 3(1), pp. 60–75. Available at: https://ejurnal.uij.ac.id/index.php/AXI/article/view/310 (Accessed: 19April2024).