Yongjiang Ding and Junfeng Liu (2023) “Physical Exercise under Positive Psychology Improves the Psychological Sub-health State of International Trade Workers”, Revista de Psicología del Deporte (Journal of Sport Psychology), 32(4), pp. 347–356. Available at: https://rpd-online.com/index.php/rpd/article/view/1427 (Accessed: 27 November 2024).