KOLTUN, Len. President’s Podium | Mot du président. Canadian Journal of Optometry, [S. l.], v. 70, n. 4, 2008. DOI: 10.15353/cjo.70.686. Disponível em: https://openjournals.uwaterloo.ca/index.php/cjo/article/view/686. Acesso em: 15 may. 2025.