ERYIGIT, C.; ERYIGIT, M. THE EFFECT OF SPONSORSHIP ANNOUNCEMENTS ON STOCK RETURNS: DOES INDUSTRY CONCENTRATION MATTER?. PEOPLE: International Journal of Social Sciences, [S. l.], v. 3, n. 3, p. 239–251, 2017. DOI: 10.20319/pijss.2017.33.239251. Disponível em: https://grdspublishing.org/index.php/people/article/view/645. Acesso em: 7 may. 2024.