Preterites in the Izbornik from XIIIth century. Revista San Gregorio, [S. l.], v. 1, n. 32, p. 32–36, 2019. Disponível em: https://revista.sangregorio.edu.ec/index.php/REVISTASANGREGORIO/article/view/993. Acesso em: 16 dec. 2025.