PÉREZ-AGͼERA, José-Ramón. Sobre la gratuidad del software libre. Anuario ThinkEPI, [S. l.], v. 1, p. 15, 2016. Disponível em: https://thinkepi.scimagoepi.com/index.php/ThinkEPI/article/view/51128. Acesso em: 21 nov. 2024.