Pinto, V. P., Teles, J. M. V. and Massuça, L. M. R. da C. (2024) “Reference ages of medallists at the Portuguese athletics championships: A 30-year study (1990-2019)”, Journal of Physical Education , 34(1), p. e-3454. doi: 10.4025/jphyseduc.v34i1.3454.