SMIRNOVA, K.B.; FATJEJEV, A.I. Basic principles of soil quality assessment in the content of heavy metals. AgroChemistry and Soil Science, [S. l.], v. 86, p. 48–57, 2017. DOI: 10.31073/acss86-06. Disponível em: https://agrochemsoilsci.org/index.php/journal/article/view/136.. Acesso em: 9 jul. 2026.