WELSH, J. W.; GAINES, B. Examining a Non-Standard Turn Order in Impartial Games. Minnesota Journal of Undergraduate Mathematics, Minneapolis, MN, v. 4, n. 1, 2021. Disponível em: https://pubs.lib.umn.edu/index.php/mjum/article/view/4152. Acesso em: 7 may. 2024.