Irina Simonenkova, and Vladimir Sopov. “Psychological Skills of Highly Qualified Football Players, Determining the Effectiveness of Their Playing Activities”. Revista de Psicología del Deporte (Journal of Sport Psychology) 29, no. 2 (September 30, 2020): 171–175. Accessed March 29, 2024. https://www.rpd-online.com/index.php/rpd/article/view/13.