Andriana, L.M. and Nurdianto, A.R. 2022. Tai chi exercise is better than low-intensity steady-state cardio for improving physical fitness and sleep quality in the elderly. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran. 8, 4 (Dec. 2022), 405-425. DOI:https://doi.org/10.29407/js_unpgri.v8i4.18921.