Fileva-Ruseva, Krasimira. “LULLABIES FOR THE DEVELOPMENT OF MUSICAL ABILITIES OF CHILDREN FROM THE EARLIEST AGE”. KNOWLEDGE - International Journal 56, no. 4 (February 15, 2023): 351–356. Accessed September 8, 2026. https://ojs.ikm.mk/index.php/kij/article/view/5931.