BYAMBA-OCHIR, M.; TUGJJAV, O. Microbiological contamination and content of heavy metals in unlined landfill sites of Ulaanbaatar. International Journal of Scientific Reports, [S. l.], v. 5, n. 8, p. 190–200, 2019. DOI: 10.18203/issn.2454-2156.IntJSciRep20193164. Disponível em: https://www.sci-rep.com/index.php/scirep/article/view/573. Acesso em: 14 nov. 2025.