Analyzing the role of athletes’ personal branding in sports marketing: a case study of "Ronaldo, LeBron James, Messi, Neymar, and Roger Federer". pubs bcnf [Internet]. 2025 Jan. 20 [cited 2025 Nov. 1];2(6). Available from: https://pubs.bcnf.ir/index.php/Articles/article/view/345