BARFIELD, A. Lexical development and learners’ practices in a content-based learning course. Vocabulary Learning and Instruction, [S. l.], v. 1, n. 1, p. 10–19, 2012. DOI: 10.7820/vli.v01.1.barfield. Disponível em: https://www.castledown.com/journals/vli/article/view/vli.v01.1.barfield. Acesso em: 15 sep. 2026.