“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, [S. l.], v. 11, n. 3, p. 1–12, 2022. Disponível em: https://eaapublishing.org/journals/index.php/technorev/article/view/523. Acesso em: 14 dec. 2025.