NAMAZOV SUNNAT ZOKIROVICH. STUDY OF PHYSICAL, MECHANICAL AND CHEMICAL PROPERTIES OF BROWN COAL . Ta’lim innovatsiyasi va integratsiyasi, [S. l.], v. 34, n. 2, p. 188–192, 2024. Disponível em: https://scientific-jl.org/tal/article/view/5027. Acesso em: 5 jun. 2025.