Givari, Muhammad, and Ahmad Yani. “Tingkat Kesegaran Jasmani Siswa Ekstrakulikuler Sepak Bola UPT SMP Negeri 2 Tapung Hulu”. Innovative: Journal Of Social Science Research, vol. 3, no. 2, June 2023, pp. 14167-79, https://j-innovative.org/index.php/Innovative/article/view/2033.