1.
Harianja CC, Simamora BA, Gultom BT. 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. IJAR [Internet]. 2023 Jul. 1 [cited 2024 Sep. 21];2(6):665-76. Available from: https://journal.formosapublisher.org/index.php/ijar/article/view/4713