Лувсан, Одонцацрал. “The DETERMINATION OF THE MANGANESE (MN) CONTENT IN BLACK TEA USING NEUTRON ACTIVATION ANALYSIS”. Scientific transaction of the National University of Mongolia. Physics 38, no. 621 (June 29, 2025): 72–76. Accessed December 5, 2025. https://journal.num.edu.mn/physics/article/view/10080.