Ubieto Artur, Antonio-Paulo. “‘4R’ Sustainability and Quality Teaching Using Free Software: Teaching Experience in the ‘Degree in Information and Documentation’ of the University of Zaragoza ((1992-)2008-2022)”. TECHNO REVIEW. International Technology, Science and Society Review /Revista Internacional de Tecnología, Ciencia y Sociedad 11, no. 3 (November 23, 2022): 1–12. Accessed July 4, 2024. http://journals.eagora.org/revTECHNO/article/view/3794.