Ts, Javzandolgor, Amartaivan Ts, Buyantogtokh Ch, Bilguun B, Lkham B, and Ganbold Ya. “Possibility of the Total Reflection X-Ray Fluorescence Spectrometer for the Determination of Lead in Biological Samples”. Mongolian Journal of Agricultural Sciences 26, no. 01 (April 30, 2019): 23–27. Accessed February 6, 2026. https://test.mongoliajol.info/MJAS/article/view/1193.