Zhanyong Qi, Yaowu Liu, and Chen Chen. “The Role of Marx’s Theory of Belief Psychological Identification in Improving Sports Efficiency”. Revista de Psicología del Deporte (Journal of Sport Psychology) 32, no. 1 (March 11, 2023): 120–128. Accessed November 27, 2024. https://rpd-online.com/index.php/rpd/article/view/1061.