González-Perea, Lourdes, Jesús Hernández-Galán, and Natalí González Villariny. 2019. “The Presence of Universal Accessibility in Doctoral Dissertations Deposited in Spain Between 1998-1999 and 2017-2018 Academic Years”. Journal of Accessibility and Design for All 9 (2):118-40. https://doi.org/10.17411/jacces.v9i2.213.