MUNDLE, Scott. Guest Article - Purpose and History of COETF. Canadian Journal of Optometry, [S. l.], v. 68, n. 3, 2021. DOI: 10.15353/cjo.v68i3.4602. Disponível em: https://www.cjo-rco.ca/index.php/cjo/article/view/4602. Acesso em: 1 feb. 2026.