Warni, H., S. Arifin, and R. Arifin. “Characteristics and Physical Fitness Levels of Students in Wetlands”. Kinestetik : Jurnal Ilmiah Pendidikan Jasmani, vol. 5, no. 3, Sept. 2021, pp. 620-5, doi:10.33369/jk.v5i3.17867.