THOMSON, Ron I. Computer Assisted Pronunciation Training: Targeting Second Language Vowel Perception Improves Pronunciation. CALICO Journal, [S. l.], v. 28, n. 3, p. 744–765, 2013. DOI: 10.11139/cj.28.3.744-765. Disponível em: https://journal.equinoxpub.com/Calico/article/view/17112.. Acesso em: 16 jun. 2024.