Д, А.; Э, Э. Буудайн ургах орчин. Scientific transaction of the National University of Mongolia. Physics, [S. l.], v. 5, n. 555, p. 60–64, 2022. DOI: 10.22353/physics.v5i555.684. Disponível em: https://journal.num.edu.mn/physics/article/view/684. Acesso em: 23 nov. 2024.