S, M.; B, M.-O. Coal structure in the oxidation. Scientific transaction of the National University of Mongolia. Physics, [S. l.], v. 16, n. 355, p. 60–63, 2022. DOI: 10.22353/physics.v16i355.294. Disponível em: https://journal.num.edu.mn/physics/article/view/294. Acesso em: 23 nov. 2024.