OLIVEIRA NETO, Jose Dutra de; NASCIMENTO, Elby Vaz. Intelligent Tutoring System for Distance Education. Journal of Information Systems and Technology Management, [S. l.], v. 9, n. 1, p. 109–122, 2012. DOI: 10.4301/s1807-17752012000100006. Disponível em: https://jistem.tecsi.org/index.php/jistem/article/view/10.4301%252FS1807-17752012000100006. Acesso em: 31 jul. 2025.