Can Conversational Agents Foster Learners’ Willingness To Communicate in a Second Language? : Effects of Communication Strategies and Affective Backchannels. International Conference on Computers in Education, [S. l.], 2017. Disponível em: https://library.apsce.net/index.php/ICCE/article/view/2187. Acesso em: 16 aug. 2025.