Bertuol, L. and Valentini, N. C. (2008) “Competitive anxiety in teenagers: gender, maturation, level of expertise and sport modality”, Journal of Physical Education , 17(1), pp. 65-74. Available at: https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/3378 (Accessed: 14September2025).