Rodríguez V, L., Antepara B, J., & Braganza, L. (2019). Web accessibility analysis of the Universities and Public Polytechnic Schools of Guayaquil applying the NTE INEN ISO / IEC 40500: 2012 Standard. Espirales Revista Multidisciplinaria De investigación, 2(e), 59–77. https://doi.org/10.31876/er.v3i27.555