NAGUMAN P.N.; ZHORABEK A.A.; TAKIBAYEVA A.T.; KULAKOV I.V.; AKIMBEKOVA B.B.; ISKAKOVA VENERA. GETTING HUMATE IN A COAL OXIDATION PROCESS. Известия НАН РК. Серия химии и технологии, [S. l.], n. 3, p. 22–29, 2020. Disponível em: http://89.250.84.46/chemistry-technology/article/view/949. Acesso em: 23 ноя. 2024.