FRENGER, M. Attention economy in professional football: A study protocol on the individual perspective of social media marketability of European football player. Current Issues in Sport Science (CISS), [S. l.], v. 9, n. 4, p. 035, 2024. DOI: 10.36950/2024.4ciss035. Disponível em: https://ciss-journal.org/article/view/11553. Acesso em: 24 sep. 2024.