Effectiveness of Fartlek training on maximum oxygen consumption and resting pulse rate in recreational football players. African Journal of Biomedical Research, [S. l.], v. 27, n. 3, p. 2688–2693, 2024. DOI: 10.53555/AJBR.v27i3.6417. Disponível em: https://africanjournalofbiomedicalresearch.com/index.php/AJBR/article/view/6417.. Acesso em: 29 oct. 2025.