YANGYOZOV, Petko. SECTORAL ANALYSIS OF THE ECONOMIC BENEFITS OF BULGARIA’S SCHENGEN MEMBERSHIP FOR THE SOUTH-EAST PLANNING REGION. KNOWLEDGE - International Journal , [S. l.], v. 71, n. 1, p. 131–136, 2025. Disponível em: https://ojs.ikm.mk/index.php/kij/article/view/7640. Acesso em: 6 jun. 2026.