N. Arizal, P. C. Kristina, and B. Hermansah, “Efforts To Improve Physical Fitness Through Slagball Games in Students of SD Negeri Petanggan Belitang Mulya, East Oku Regency”, J. Soc. Work Sci. Educ., vol. 4, no. 3, pp. 863–868, Jun. 2023.