S, M.; O, G. Molecular spectroscopy analysis of Alagtolgoi coal. Scientific transaction of the National University of Mongolia. Physics, [S. l.], v. 26, n. 490, p. 60–64, 2022. DOI: 10.22353/physics.v26i490.559. Disponível em: https://journal.num.edu.mn/physics/article/view/559. Acesso em: 23 nov. 2024.