GEORGIEVA FILEVA – RUSEVA, Krasimira. SYSTEM OF MUSIC EDUCATION BASED ON BULGARIAN MUSICAL FOLKLORE. KNOWLEDGE - International Journal , [S. l.], v. 49, n. 2, p. 395–399, 2021. Disponível em: https://ojs.ikm.mk/index.php/kij/article/view/4610. Acesso em: 19 apr. 2026.