Victor BIRKNER. Determination of Revisiting Input and Output Hypotheses in Second Language Learning. Modern Perspectives in Language, Literature and Education Vol. 9, [S. l.], p. 22–26, 2021. DOI: 10.9734/bpi/mplle/v9/4158F. Disponível em: https://stm.bookpi.org/MPLLE-V9/article/view/3594. Acesso em: 4 jun. 2026.