CALVO, A. Internet access standards: dissemination of the Integrated Services Digital Network in Spain, 1984-2005. Journal of Evolutionary Studies in Business, [S. l.], v. 6, n. 2, p. 1–41, 2021. DOI: 10.1344/jesb2021.2.j091. Disponível em: https://revistes.ub.edu/index.php/JESB/article/view/j091. Acesso em: 21 jun. 2024.