Implementasi Model Kooperatif Learning Tipe NHT (Numbered Head Together) Pada Materi Bilangan Cacah. Pena Ilmiah Pendidikan, [S. l.], v. 2, n. 1, p. 26–32, 2026. Disponível em: https://jurnal.goodnovelty.com/index.php/pip/article/view/68. Acesso em: 4 feb. 2026.