GOSPODINOVA, T. Validation of research tools and activities in a distance-learning course in English in an e-environment using interactive teaching methods. Yearbook of the Department of Foreign Languages and Cultures, [S. l.], v. 3, p. 77–86, 2021. DOI: 10.33919/flcy.20-21.3.4. Disponível em: https://ojs.nbu.bg/index.php/YDFLC/article/view/714. Acesso em: 17 jul. 2024.