Hamsyah K, Soni Nopembri, Hedi Ardiyanto Hermawan, Ihsan F, Bekir Erhan ORHAN. The Effectiveness of the Teaching Games for Understanding Model in Badminton Service Learning: A Systematic Review and Meta-Analysis. Intjssh. 2026;9(4):1-14. Accessed October 18, 2026. https://journals.kmanpub.com/index.php/Intjssh/article/view/4946