COCCA, M.; COCCA, A. Affective Variables and Motivation as Predictors of Proficiency in English as a Foreign Language. Journal on Efficiency and Responsibility in Education and Science, [S. l.], v. 12, n. 3, p. 75-83, 2019. DOI: 10.7160/eriesj.2019.120302. Disponível em: https://www.eriesjournal.com/index.php/eries/article/view/257. Acesso em: 12 aug. 2020.