A MODERN MODEL OF MARKETING AND MANAGEMENT INTEGRATION IN PROFESSIONAL SPORTS CLUBS. International Journal of Political Sciences and Economics, [S. l.], v. 5, n. 5, p. 253–257, 2026. DOI: 10.55640/. Disponível em: https://ijmri.de/index.php/ijpse/article/view/7436. Acesso em: 13 may. 2026.