BUTLER, David; BUTLER, Robert; MULLANE, Ewan. Changing Competition Design and Spectator Turnout: Evidence from the League of Ireland. The Economic and Social Review, [S. l.], v. 52, n. 3, Autumn, p. 333–353, 2021. Disponível em: https://esr.ie/index.php/esr/article/view/1460. Acesso em: 19 feb. 2026.