Yesika Raya Hutagaol, Debbi Petra Manahara Sitorus, Binsar Tison Gultom. Numbered Head Together Learning Model (NHT) In Improving Student Learning Outcomes in Social Sciences Subjects Class VII UPTD SMP Negeri 7 Pematang Siantar FY 2023/2024. IJIST [Internet]. 2023 Oct. 31 [cited 2026 Apr. 27];1(4):505-18. Available from: https://www.journal.multitechpublisher.com/index.php/ijist/article/view/658