Palin, Edgar Nofrianto, et al. “Squat Style Long Jump in Junior High School Extracurricular Activities: The Impact of Box Jump and Depth Jump Plyometric Training”. Tadulako Journal Sport Sciences And Physical Education, vol. 14, no. 4, Oct. 2026, pp. 16-27, doi:10.22487/tjsspe.v14i4.6885.