KRAFT, Gina Leigh; DOW, Maddie. Validation of the Polar Fitness Test. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 6, n. 1, p. 27–34, 2018. DOI: 10.31686/ijier.vol6.iss1.893. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/893.. Acesso em: 18 may. 2024.