SEMASHKO, P.V. Combined equivalent sound levels as a crit erion for the acoustic state hygienic assessment of the territories. Environment & Health, Kyiv, Ukraine, v. 72, n. 1, p. 4, 2015. Disponível em: https://dovkil-zdorov.kiev.ua/journal/article/view/632. Acesso em: 26 sep. 2026.