Pertiwi, C. R. P., G. F. Yosika, and M. I. Laoan. “Effect of Electrolyte Fluid on Initial and Final Pulse Rate After 400x3 Sprints”. Indonesian Journal of Sport, Health and Physical Education Science, vol. 3, no. 1, Jan. 2025, pp. 1-6, doi:10.58723/inasport.v3i1.206.