- Aminnejad, Parvin; Zeidabadi, Rasul; Hamboshi, Laleh and Khajste, Milad. (2019). Investigating the structural relationships between sports mindfulness and cognitive emotion regulation with athletes' competitive anxiety. Psychology Quarterly, 24 (3), 333-317.
- Saraji, Hajar. (2015). The relationship between social capital and motivation with participation in public sports activities in Sari city.
Master's thesis, Shafaq Institute of Higher Education.
- Alipour, Ahmed and Nurbala, Ahmed. (1378). A preliminary investigation of the reliability and validity of the Oxford Happiness Questionnaire in students of Tehran -universities. Journal of Thought and Behavior, 17 (18), 3-19.
- Makfi Diba, Maryam, Amirpour, Ali and Mehri, Ali (2017). The relationship between public sports and the vitality and productivity of workers, the second national conference on the promotion and development of public sports in Ardabil province, Ardabil.
- Mardpur, Mahsa. (2017). The relationship between job satisfaction and the motivation to participate in sports according to the moderating role of addiction to social networks in the employees of the National Petrochemical Company. Master's thesis, Islamic Azad University, Tehran Science and Research Unit.
- Maqsoodi, Fatima. (2017). The relationship between cognitive emotion regulation and coping styles with sports success of student athletes. Journal of Sports Psychology, 3 (1), 23-36.
- Hemti Weldani, free. (2011). The relationship between personality traits and emotional regulation difficulties with sports identity in athletes. Master's thesis, Islamic Azad University, Maroodasht branch. Navidi Iman, Ghofranipour Fazlalah, Taheri Zahra, Khorsandi Mehbobeh (2014). Investigating the effect of morning exercise on the quality of life of Arak health center employees: a short report. Journal of Rafsanjan University of Medical Sciences.; 14 (2): 161-166.
- An, H. Y., Chen, W., Wang, C. W., Yang, H. F., Huang, W. T., & Fan, S. Y. (2020). The Relationships between Physical Activity and Life Satisfaction and Happiness among Young, Middle-Aged, and Older Adults. International journal of environmental research and public health, 17(13), 4817. https://doi.org/10.3390/ijerph17134817
- Gill, D. L., Gross, J. B. & Huddleston, S. (1983). Participation motivation in youth sports. International Journal of Sport Psychology, 14, 1-14.
- Jang, W. E., Wann, D. L., & Ko, Y. J. (2018). Influence of team identification, game outcome, and game process on sport consumers’ happiness. Sport management review, 21(1), 63-71.‌
- Kerr G, Stirling A. (2019). Where is safeguarding in sport psychology research and practice? Journal of Applied Sport Psychology, 31(4), 367-384.
- Kim, J., & James, J. D. (2019). Sport and Happiness: Understanding the Relations Among Sport Consumption Activities, Long-and Short-Term Subjective Well-Being, and Psychological Need Fulfillment. Journal of Sport Management, 33 (2).
- McCormick, A., Meijen, C., Anstiss, P. A., & Jones, H. S. (2019). Self-regulation in endurance sports: theory, research, and practice. International Review of Sport and Exercise Psychology, 12(1), 235-264.‌
- Nicholls A. (2021). Psychology in sports coaching: Theory and practice. Routledge.
- O’Neil, L., & Hodge, K. (2020). Commitment in sport: The role of coaching style and autonomous versus controlled motivation. Journal of Applied Sport Psychology, 32(6), 607-617.
- Padilla, C., & Andres, P. (2021). Personality Traits, Achievement Motivation, and Self-Regulation in Physically Active and Sedentary Young Adults. In (Ed.), Sport Psychology in Sports, Exercise and Physical Activity. IntechOpen. https://doi.org/10.5772/intechopen.99738 Parra E, Arone A, Amadori S, Mucci F. (2020). Impact of Physical Exercise on Psychological Well-being and Psychiatric Disorders. Journal for ReAttach Therapy and Developmental Diversities, 3(2), 24-39.
- Reigal R, Videra A, Gil J. (2014). Practica física, autoeficacia general y satisfaccion vital en la adolescencia. [Physical exercise, general self-efficacy and life satisfaction in adolescence]. Rev. Int. Med. Ciencias Act. Fisica Deporte, 14, 561-576.
- Stambulova N, Samuel, R. (2020). Career transitions. Routledge encyclopedia of sport and exercise psychology, 2, 119-
- Tur-Porcar A and Ribeiro-Soriano D (2020) The Role of Emotions and Motivations in Sport Organizations. Front. Psychol. 11:842. doi: 10.3389/fpsyg.2020.00842