Yesika Raya Hutagaol et al. 2023. 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. International Journal of Integrated Science and Technology. 1, 4 (Oct. 2023), 505–518. DOI:https://doi.org/10.59890/ijist.v1i4.658.