MINTZ, Steven. C.A.O. Traffic Light Visibility Survey. Canadian Journal of Optometry, [S. l.], v. 43, n. 4, p. 1, 1981. DOI: 10.15353/cjo.v43i4.4181. Disponível em: https://openjournals.uwaterloo.ca/index.php/cjo/article/view/4181. Acesso em: 30 jun. 2024.