Orishev, A. B. ., A. A. . Mamedov, I. Y. . Zalysin, D. V. . Kotusov, and S. L. . Grigoriev. “The Development of Travel and Tourism Industry in Iran”. International Journal of Criminology and Sociology, vol. 9, Apr. 2022, pp. 2173-9, doi:10.6000/1929-4409.2020.09.257.