I. Chechetka V. Certain issues of teaching the German language as the Second Foreign Language in Technical Higher Educational Institution. RSAN [Internet]. 9 de agosto de 2019 [citado 28 de abril de 2024];1(32):137-44. Disponible en: http://revista.sangregorio.edu.ec/index.php/REVISTASANGREGORIO/article/view/1011