NGOC, Truong Thi Nhu. Understanding first year university students’ passivity via their attitudes and language behaviors towards answering questions in class. Ho Chi Minh City Open University Journal of Science - Social Sciences, [S. l.], v. 7, n. 1, p. 84–93, 2017. Disponível em: https://journalofscience.ou.edu.vn/index.php/soci-en/article/view/295. Acesso em: 16 aug. 2026.