Indicators of selection in the middle fund and fund athletes of eide Pedro Batista Fonseca category 12 - 13 and 14 - 15 years of the province of Granma (Original). rev_olimpia [Internet]. 2019 Jul. 2 [cited 2026 Mar. 7];14(45):152-65. Available from: https://revistas.udg.co.cu/index.php/olimpia/article/view/845