BYAMBAJAV, G.; BATBAATAR, B.; ARIUNSAIKHAN, A.; CHONOKHUU, S. Particulate matter concentrations during winter seasons of 2016-2020 in Ulaanbaatar, Mongolia. Proceedings of the Mongolian Academy of Sciences, [S. l.], v. 61, n. 01, p. 30–39, 2021. DOI: 10.5564/pmas.v61i01.1559. Disponível em: https://www.mongoliajol.info/index.php/PMAS/article/view/1559. Acesso em: 27 nov. 2022.