JEHLE, Fred. A Free-Form Dialog Program in Spanish. CALICO Journal, [S. l.], v. 5, n. 2, p. 11–22, 2013. DOI: 10.1558/cj.v5i2.11-22. Disponível em: https://journal.equinoxpub.com/Calico/article/view/1975.. Acesso em: 16 jul. 2024.