HARIANJA, C. C. .; SIMAMORA, B. A. .; GULTOM , B. T. . The Effect of the Numbered Heads Together (NHT) Cooperative Learning Model on Class VII Social Studies Learning Outcomes of SMP Negeri 5 Pematang Siantar T.A 2022/2023. Indonesian Journal of Advanced Research, [S. l.], v. 2, n. 6, p. 665–676, 2023. DOI: 10.55927/ijar.v2i6.4713. Disponível em: https://journal.formosapublisher.org/index.php/ijar/article/view/4713. Acesso em: 21 sep. 2024.