KOTETEROVA-DOBREVA, Binka. VOCAL QUARTETS – TRADITION AND MODERNITY. KNOWLEDGE - International Journal , [S. l.], v. 55, n. 5, p. 905–910, 2022. DOI: 10.35120/kij5505905b. Disponível em: https://ojs.ikm.mk/index.php/kij/article/view/5751. Acesso em: 2 oct. 2026.