DE BOT, Kees; FANG, Fang. Circadian rhythms and second language performance. Studies in Second Language Learning and Teaching, [S. l.], v. 7, n. 1, p. 47–60, 2017. DOI: 10.14746/ssllt.2017.7.1.3. Disponível em: https://pressto.amu.edu.pl/index.php/ssllt/article/view/7444. Acesso em: 28 mar. 2024.