PANCHEVA, S. Opportunities for Optimizing the Education System in the Republic of Bulgaria by Increasing the Efficiency and Sustainability of the Higher Education-science-business Relationship. Economy and Business Yearbook, [S. l.], v. 8, p. 136–144, 2023. DOI: 10.33919/EcoBY.23.8.14. Disponível em: https://ojs.nbu.bg/index.php/EcoBY/article/view/1346. Acesso em: 7 dec. 2025.