SHAUGHNESSY, Michael. LearnPlus.com - Deutsch 1. CALICO Journal, [S. l.], v. 21, n. 1, p. 186–194, 2013. DOI: 10.1558/cj.35196. Disponível em: https://journal.equinoxpub.com/Calico/article/view/17163.. Acesso em: 16 jul. 2024.