SIDDIQUI, J. S. SECOND LANGUAGE ACQUISITION BEYOND CRITICAL AGE: A CASE STUDY OF AN OLD SECOND LANGUAGE LEARNER. Journal of Social Sciences and Humanities, [S. l.], v. 55, n. 2, p. 31–43, 2016. DOI: 10.46568/jssh.v55i2.81. Disponível em: https://www.jsshuok.com/oj/index.php/jssh/article/view/81. Acesso em: 17 apr. 2021.