Haddina, Elisa, Annisa Dwi Amri, Abdi Trinitatis Sihombing, Aland Pelita Teoli Zebua, M. Bayu Samudra Batubara, and Nukhi Hotma Partahanan Ahmad. 2025. “The Effect of Participation in 17th August Competitions on Students’ Physical Fitness: A Cross-Sectional Study”. Journal of Foundational Learning and Child Development 1 (02): 97-105. https://doi.org/10.53905/ChildDev.v1i02.14.