1. Abdul Rafeeque, T. C., & Sultana, D. (2016). Mediating role of mindfulness on the relationship between mental toughness and athletics performance of inter university track and field athletes. Int. J. Phys. Educ. Sports Health, 3, 4–7 Retrieved form http://www.kheljournal.com/archives/2016/vol3issue2/PartA/3-1-68.pdf.
2. Altintaş, A., & Akalan, C. (2008). Mental Traınıng and Hıgh Performance. Spormetre The Journal of Physical Education and Sport Science, 6(1), 39–43. https://doi.org/10.1501/sporm_0000000131.
3. Birrer, D., Röthlin, P., & Morgan, G. (2012). Mindfulness to enhance athletic performance: Theoretical considerations and possible impact mechanisms. Mindfulness, 3(3), 235–246. https://doi.org/10.1007/s12671-012-0109-2.
4. Carraça, B., Serpa, S., Rosado, A., & Palmi, J. (2018). The Mindfulness-Based Soccer Program (MBSoccerP): Effects on elite athletes. Cuadernos de Psicología del Deporte, 18(3), 62–85 Retrieved from https://revistas.um.es/cpd/article/view/323541.
5. Cohen, J. (1988). Statistical Power Analysis for the Behavioral Sciences (2nd ed.). NJ: Erbbaum.