GYOVAI, Ágnes and HEVESI, T. M. (2015) “THE CIRCLE SYMBOL IN MUSIC EDUCATION”, Studia Universitatis Babeș-Bolyai Musica, 60(2), pp. 95–107. Available at: http://193.231.18.162/index.php/subbmusica/article/view/5098 (Accessed: 5 July 2024).