TS, B.; B, K.; G, O.; E, V. I.; V, S. E.; D, T.; T, K. A. BACKGROUND CONCENTRATION OF MICROELEMENTS IN ULAANBAATAR REGIONAL NATURAL SURFACE SOIL. Proceedings of the Mongolian Academy of Sciences, [S. l.], v. 58, n. 2, p. 15–24, 2018. DOI: 10.5564/pmas.v58i2.1001. Disponível em: https://www.mongoliajol.info/index.php/PMAS/article/view/1001. Acesso em: 29 mar. 2023.