B, M.; T, O. Sources of heavy metal contamination in landfill soil covers of Ulaanbaatar. Mongolian Journal of Agricultural Sciences, [S. l.], v. 22, n. 03, p. 140–144, 2018. DOI: 10.5564/mjas.v22i03.966. Disponível em: https://www.mongoliajol.info/index.php/MJAS/article/view/966. Acesso em: 7 oct. 2024.