VARI R, DRĂGULIN S. THE EVOLUTION AND MULTICULTURALITY OF THE OPERETTA GENRE. Studia UBB Musica [Internet]. 2020 Dec. 21 [cited 2024 Dec. 18];65(2):119-28. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmusica/article/view/2019