Kurniawan, I., Yuliarto, H. and Sujarwo, S. 2023. The relationship between body mass index, physical activity, sleep quality, and physical fitness in adolescents. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran. 9, 3 (Dec. 2023), 514-535. DOI:https://doi.org/10.29407/js_unpgri.v9i3.21562.