KULLMAN, .; WANKO, .; HARPER, .; EDWARDS, . T. A Legacy of Learning: The Life and Impact of Johnny Hill. Ohio Journal of School Mathematics, [S. l.], v. 100, n. 1, p. 1–13, 2025. Disponível em: http://voyager.janeway.systems:9999/index.php/OJSM/article/view/10604. Acesso em: 7 nov. 2026.