SH, G.; J, B. Some developmemt and improvement of ED XRF tecniques in Mongolia. Scientific transaction of the National University of Mongolia. Physics, [S. l.], v. 9, n. 167, p. 61–63, 2022. DOI: 10.22353/physics.v9i167.416. Disponível em: https://journal.num.edu.mn/physics/article/view/416. Acesso em: 23 nov. 2024.