Ts B, B K, G O, E VI, V SE, D T, T KA. BACKGROUND CONCENTRATION OF MICROELEMENTS IN ULAANBAATAR REGIONAL NATURAL SURFACE SOIL. Proc. Mong. Acad. Sci. [Internet]. 2018 Sep. 7 [cited 2024 Dec. 18];58(2):15-24. Available from: https://mongoliajol.info/index.php/PMAS/article/view/1001