SPADA, Nina M. Effects of the Informal Contact on Learners L2 Proficiency: A Review of Five Studies. TESL Canada Journal, [S. l.], v. 2, n. 2, p. 51–62, 1985. DOI: 10.18806/tesl.v2i2.462. Disponível em: https://teslcanadajournal.ca/index.php/tesl/article/view/462. Acesso em: 27 apr. 2024.