LEÓN-GRANIZO, Oscar; LEÓN-GRANIZO, Maryline. Development of a virtual assistant (chatbot) to improve access to re-curring information by students of Higher Education Institutions. Ecuadorian Science Journal, [S. l.], v. 4, n. 2, p. 111–116, 2020. DOI: 10.46480/esj.4.2.49. Disponível em: https://journals.gdeon.org/index.php/esj/article/view/49.. Acesso em: 2 nov. 2025.