Ahrens, Andreas, Jelena Zascerinska, and Anastasija Aleksejeva. 2021. “FOSTERING EXTERNAL AND INTERNAL SUSTAINABILITY WITHIN THE ENGLISH FOR ACADEMIC PURPOSES COURSE IN THE COVID-19 PANDEMIC”. Education. Innovation. Diversity. 1 (2): 6-15. https://doi.org/10.17770/eid2021.1.5412.