Gomes, S. S., R. Miranda, M. G. Bara Filho, and M. R. F. Brandão. “<b>Flow in Volleyball: Relationship With Motivation, Self-Efficacy, Perceived Ability and Goal orientation</b&gt; - Doi: 10.4025/reveducfis.V23i3.17024”. Journal of Physical Education , Vol. 23, no. 3, Sept. 2012, pp. 379-87, https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/17024.