HADJIKOTEVA, M. Challenging academic presentations. English Studies at NBU, [S. l.], v. 1, n. 1, p. 46–62, 2015. DOI: 10.33919/esnbu.15.1.4. Disponível em: https://ojs.nbu.bg/index.php/ESNBU/article/view/80. Acesso em: 12 may. 2024.