PALKOVA, Karina. THE QUALITY OF DOCTORAL STUDIES: CHALLENGES AND FUTURE PERSPECTIVES. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 2, p. 204–213, 2020. DOI: 10.17770/sie2020vol2.4839. Disponível em: https://archive-journals.rtu.lv/sie/article/view/2409.. Acesso em: 11 mar. 2026.