SUMIASIH, S. Peningkatan Prestasi Belajar Bahasa Inggris melalui Pembelajaran Kooperatif Model Numbered Head Together (NHT) . Journal of Education Research, [S. l.], v. 4, n. 1, p. 339–349, 2023. DOI: 10.37985/jer.v4i1.166. Disponível em: https://www.jer.or.id/index.php/jer/article/view/166. Acesso em: 9 jul. 2025.