BOYADZHIEV, Veselin. THE REGIONAL CONDITION OF BULGARIA AND SMALL SETTLEMENTS. KNOWLEDGE - International Journal , [S. l.], v. 74, n. 1, p. 193–197, 2026. Disponível em: https://ojs.ikm.mk/index.php/kij/article/view/8077. Acesso em: 23 aug. 2026.