GEORGIEV, Ivan. FUNDAMENTAL REASONS FOR THE EVOLUTION OF THE REGIONAL BAGPIPING STYLES IN BULGARIA. KNOWLEDGE - International Journal , [S. l.], v. 70, n. 5, p. 481–486, 2025. Disponível em: https://ojs.ikm.mk/index.php/kij/article/view/7601. Acesso em: 13 jun. 2026.