DIMOVSKA, M.; GJORGJEV, D. . The Effects of COVID-19 Lockdown on Air Quality in Macedonia. Open Access Macedonian Journal of Medical Sciences, [S. l.], v. 8, n. T1, p. 353–362, 2020. DOI: 10.3889/oamjms.2020.5455. Disponível em: https://oamjms.eu/index.php/mjms/article/view/5455. Acesso em: 4 may. 2024.