Certain issues of teaching the German language as the Second Foreign Language in Technical Higher Educational Institution. Revista San Gregorio, [S. l.], v. 1, n. 32, p. 137–144, 2019. Disponível em: https://revista.sangregorio.edu.ec/index.php/REVISTASANGREGORIO/article/view/1011. Acesso em: 16 dec. 2025.