Rhonda Vail G. LEYALEY. Silent Classrooms: Investigating Passivity in English Speaking Among Students. Progress in Language, Literature and Education Research Vol. 1, [S. l.], p. 119–133, 2023. DOI: 10.9734/bpi/pller/v1/1834G. Disponível em: https://stm.bookpi.org/PLLER-V1/article/view/12284. Acesso em: 18 jun. 2026.