GEORGIEVA FILEVA – RUSEVA, Krasimira. PERCEPTION OF MUSIC THROUGH TEXTBOOKS FOR 5TH, 6TH AND 7TH GRADE OF THE GENERAL EDUCATION SCHOOL IN BULGARIA. KNOWLEDGE - International Journal , [S. l.], v. 40, n. 2, p. 493–499, 2020. Disponível em: https://ikm.mk/ojs/index.php/kij/article/view/908. Acesso em: 29 mar. 2024.