Hasmara PS, Ma'arif I, Yudi Dwi Saputra. Enhancing physical fitness through school-based morning exercise: an experimental study among children aged 10–12 years. bravo’s. j. prodi. pendidik. jasm. dan. kesehat. [Internet]. 2025 Dec. 31 [cited 2026 Feb. 17];13(4):781-93. Available from: https://bravos.upjb.ac.id/index.php/bravos/article/view/225