KOLTUN, Len. President’s Podium | Mot du président. Canadian Journal of Optometry, [S. l.], v. 70, n. 5, 2008. DOI: 10.15353/cjo.70.678. Disponível em: https://openjournals.uwaterloo.ca/index.php/cjo/article/view/678. Acesso em: 15 may. 2025.