MARÍN CERVANTES, I. Drilling and color-coding systems: a comparative analysis of two pronunciation techniques to improve L2 learners’ production of the -(e)d inflectional ending. Revista de Filología y Lingüística de la Universidad de Costa Rica, [S. l.], v. 34, n. 2, p. 143–163, 2012. DOI: 10.15517/rfl.v34i2.1297. Disponível em: https://revistas.ucr.ac.cr/index.php/filyling/article/view/1297. Acesso em: 26 abr. 2024.