HONG CHEN, Ai; MUHAMAD, Nurulain. Contrast Ratios, Colour Elements, and Polarities in Visual Acuity Measurements. International Journal of Engineering & Technology, [S. l.], v. 7, n. 3.11, p. 89–93, 2018. DOI: 10.14419/ijet.v7i3.11.15936. Disponível em: https://www.sciencepubco.com/index.php/ijet/article/view/15936.. Acesso em: 5 may. 2024.