“Fitness test Polar vs Harvard test in evaluation of physical fitness for the selection of UPTC physical education program applicants”, Ímpetus, vol. 9, no. 1, pp. 13–18, Mar. 2021, Accessed: Nov. 12, 2026. Available: https://ojs-unillanos-prueba.metarevistas.org/index.php/impetus/article/view/380