LAGUADO GIRALDO, Roberto. UNIVERSAL SERVICE IN THE NEW TELECOMMUNICATIONS FRAMEWORK IN COLOMBIA. Vniversitas, [S. l.], v. 54, n. 109, p. 513–532, 2005. Disponível em: https://revistas.javeriana.edu.co/index.php/vnijuri/article/view/14713. Acesso em: 14 maio. 2025.