CLAUSING, Stephen. Establishing the Criteria for an Authoring System: The Example of Private Tutor and the Macintosh Computer. CALICO Journal, [S. l.], v. 5, n. 2, p. 23–39, 2013. DOI: 10.1558/cj.v5i2.23-39. Disponível em: https://journal.equinoxpub.com/Calico/article/view/1976.. Acesso em: 16 jul. 2024.