Vahan Sargsyan В. On the Happy Times of Friendship with Sergey Aghajanyan. Musical Armenia, [S. l.], n. 66-67, p. 98–100, 2024. DOI: 10.58580/18290019-2024.1-2-98. Disponível em: https://yerazhshtakanhayastan.am/index.php/ma/article/view/475. Acesso em: 27 nov. 2025.