SALEH, M. S. Investigating the Effect of FLIP/LIP Teaching Model on Iraqi Preparatory Pupils’ Achievement. JOURNAL OF LANGUAGE STUDIES, [S. l.], v. 1, n. 2, p. 46–66, 2023. DOI: 10.25130/jls.1.2.4. Disponível em: https://jls.tu.edu.iq/index.php/jls/article/view/69. Acesso em: 24 oct. 2025.