KOLTUN, Len. President’s Podium | Mot du président. Canadian Journal of Optometry, [S. l.], v. 71, n. 2, p. 3, 2009. DOI: 10.15353/cjo.71.665. Disponível em: https://openjournals.uwaterloo.ca/index.php/cjo/article/view/665. Acesso em: 15 may. 2025.