BOLAÑOS MAROTO, Ronald. Costa Rica 2050: Sociedad desarrollada sostenible. Investiga.TEC, [S. l.], v. 15, n. 15, p. pág. 8–9, 2013. Disponível em: https://revistas.tec.ac.cr/index.php/investiga_tec/article/view/694. Acesso em: 4 dic. 2025.