1. Aghanbabaei, M., & Pour Soltani Zarandi, H. (2017). The mediating role of self-efficacy in the relationship between perceived environment and social support with participation in students’ physical activity. Research in Educational Sports, 12, 171-188. (Persian)
2. Aslankhani, M. A., Hashemi, M., & Shaghayegh, S (2018). The effect of perceived environment and social support on participation in physical activity leisure of the employees of the thirteenth Islamic Azad University. New Approaches in Sports Management, 6(21), 95-104. (Persian)
3. Bai, N., & Isfahani Nia, A. (2019). Modeling the effect of parents’ social support, perceived competence and school atmosphere on the pleasure of participating in the physical activities of female students. Research in Educational Sports, 16, 307-326. (Persian)
4. Budd, E. L., McQueen, A., Eyler, A. A., Haire-Joshu, D., Auslander, W. F., & Brownson, R. C. (2018). The role of physical activity enjoyment in the pathways from the social and physical environments to physical activity of early adolescent girls. Preventive Medicine, 111, 6-13.
5. Bum, C. H., Mahoney, T., & Choi, C. (2018). A comparative analysis of satisfaction and sustainable participation in actual leisure sports and virtual reality leisure sports. Sustainability, 10(10), 1-12.
6. Ghasemi, H., Farid Fathi, A., Talaei, R., & Farsi, H. (2017). Comparison of self-improvement status of physical education students with students of other fields with emphasis on the six fold pattern of effective communication skills. Sports Management Studies, 42, 39-45. (Persian)
7. Hoare, E., Stavreski, B., Jennings, G. L., & Kingwell, B. A. (2017). Exploring motivation and barriers to physical activity among active and inactive Australian adults. Sports, 5(3), 47-54.
8. Hosseini, E., & Farzan, F. (2018). Investigating the role of social support on women’s sports commitment to sports activities. Sports Management, 10(1), 137-148. (Persian)
9. Jaakkola, T., Yli-Piipari, S., Watt, A., & Liukkonen, J. (2016). Perceived physical competence towards physical activity, and autonomous motivation and enjoyment in physical education as longitudinal predictors of adolescents’ self–reported physical activity. Journal of Science and Medicine in Sport, 19(9), 750- 754.
10. Karimi, A., & Afrasiabi, F. (2018). Analysis between socio-cultural factors and leisure time with students’ general health with emphasis on sports activities. Iranian Social Sciences Studies, 57, 18-34. (Persian)
11. Khosravi, S., Nazari, R., & Saleki, M. (2016). Providing the model of communicative skills effectiveness on the quantum management model of managers and its role on organizational agility of sport organizations. International Journal of Humanities and Cultural Studies, 1(2), 545-555.
12. Mirdarikvand, F., Hossini, N. S., & Panihi, H. (2017). The role of communication skills, social support and daily spiritual experiences in predicting the loneliness of the elderly. Journal of Geriatrics, 1(4), 48-58.
13. Mousavi Rad, T., & Baha’i Kasmaei, Z. (2018). Investigating the relationship between cultural intelligence and perceived pleasure from physical activity in leisure time of physical education teachers in Tehran. Applied Research in Sports Management, 1(25), 33- 43. (Persian)
14. Nazari, R., & Musazadeh, F. (2018). Provide a model of the effect of psychological skills on communication skills and social capital of sports managers. Communication Management in Sports Media, 20, 15- 28. (Persian)
15. Pereira, T. J., & Pereira, A. C. (2017). Validation of the self-assessment of communication skills and professionalism for nurses. Revista Brasileira de Enfermagem, 70(3), 588-594.
15. Schütz, L. M., & Schultheiss, O. C. (2020). Implicit Motives, Laterality, Sports Participation and Competition in Gymnasts. Frontiers in Psychology, 11, 900.
16. Shaban, D., & Hassanvand, M. (2019). The role of Telegram social network on how to spend leisure time. Afaq of Humanities Monthly, 25, 1-18. (Persian)
17. Shen, B., Centeio, E., Garn, A., Martin, J., Kulik, N., Somers, C., & McCaughtry, N. (2016). Parental social support, perceived competence and enjoyment in school physical activity. Journal of Sport and Health Science, 7(3), 346-352.
18. Shu, F., Ahmed, S. F., Pickett, M. L., Ayman, R., & McAbee, S. T. (2020). Social support perceptions, network characteristics, and international student adjustment. International Journal of Intercultural Relations, 74, 136-148.
19. Tatari, M., Ghasemi, H., & Hadavi, F. (2018). Investigating the relationship between communication skills and the organizational attitude of the faculty of employment and visiting the department of physical education, Payame Noor University. Sports Management Studies, 49, 233-250. (Persian)
20. Tercan, E. (2014). Perceived social support from family, participation in recreational sport activities, leisure negotiation and life satisfaction in university students. Mevlana International Journal of Education, 4, 260-273.