ÁLVAREZ-PINEDA, Francisco; URREGO-GÓMEZ, Yovin; ORDÓÑEZ-ORDÓÑEZ, Pablo; TORRES-CARRIÓN, Hernán. Implementation of web accessibility in accordance with WCAG 2.1: perceptibility. Ingenius, [S. l.], n. 36, p. 70–83, 2026. DOI: 10.17163/ings.n36.2026.06. Disponível em: https://ingenius.ups.edu.ec/ingenius/article/view/11235. Acesso em: 14 oct. 2026.