Volodya Manasyan, Armen. “THE SECRETS OF THE MASTERY OF PROFESSOR YURI HAYRAPETYAN ETUDE ON THE ETUDE”. Musical Armenia, no. 66-67 (August 9, 2024): 68–71. Accessed January 9, 2026. https://yerazhshtakanhayastan.am/index.php/ma/article/view/469.