pirjamadi, sahar,  Mahmoudi, Ahmad, Saatchian, Vahid , Romiani, Kamran. “Investigating the Effect of Leisure Time's Perceived Risks on Sports Tourists’ Social Happiness During COVID_ 19 Pandemic.”  Social Studies in Tourism, vol. 10, no. 20, 2022, pp. 1-20. 10.52547/journalitor.36190.10.20.1