GAO, Y. "Children’s Songs" by P. I. TCHAIKOVSKY AND ANALYSIS OF THEIR FEATURES IN THE CONTEXT OF LIFE OF A RUSSIAN NOBLE ESTATE. Sworld-Us Conference proceedings, [S. l.], v. 1, n. usc09-01, p. 123–129, 2022. DOI: 10.30888/2709-2267.2022-09-01-030. Disponível em: https://proconference.org/index.php/usc/article/view/usc09-01-030. Acesso em: 5 may. 2024.