Moreira-Cevallos CL. Web accessibility in Manabí universities for users with visual disabilities according to the NTE INEN-ISO / IEC 40500:2012 STANDARD: Investigation article. enc [Internet]. 2019Jan.9 [cited 2024Jul.3];2(3):2-8. Available from: https://publicacionescd.uleam.edu.ec/index.php/encriptar/article/view/89