VASILYEV, A. EXPERIMENTAL RESEARCH OF ENVIRONMENTAL NOISE IN URBAN CONDITIONS BEFORE AND DURING COVID-19 PERIOD ON THE EXAMPLE OF SAMARA REGION OF RUSSIAN FEDERATION. Journal Akustika, [S. l.], v. 39, n. 39, 2021. Disponível em: https://journalakustika.com/index.php/akustika/article/view/26. Acesso em: 27 jul. 2021.