“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 1, no. 1 (September 27, 2022): 10–16. Accessed February 3, 2026. https://jurnal.institutsunandoe.ac.id/index.php/inovasia/article/view/22.