SUWILO, Saib. 2-Exponents of Two-Coloured Lollipops. MATEMATIKA, [S. l.], v. 24, p. 11–22, 2008. DOI: 10.11113/matematika.v24.n.226. Disponível em: https://matematika.utm.my/index.php/matematika/article/view/226. Acesso em: 30 apr. 2024.