Ahmadi, L. M. ., Devin, H. F. ., Mirzazadeh, Z. ., & Peymanizad, H. . (2022). Analytical study of the economic effects of sports for seniors in Iran. SPORT TK-Revista EuroAmericana de Ciencias del Deporte, 11, 7. https://doi.org/10.6018/sportk.512751