Application Of Cooperative Learning Model Type Of Numbered Head Together To Increase Activity And Learning Outcome Of Students Of Class VIII SMP Negeri 1 Praya Barat Daya. Inovasia [Internet]. 2022 Sep. 27 [cited 2026 Feb. 3];1(1):10-6. Available from: https://jurnal.institutsunandoe.ac.id/index.php/inovasia/article/view/22