PROBLEM OF AIR POLLUTION IN CITIES. Центральноазиатский журнал образования и инноваций, [S. l.], v. 3, n. 10, p. 70–74, 2024. Disponível em: https://www.in-academy.uz/index.php/CAJEI/article/view/23700.. Acesso em: 29 apr. 2026.