ЕРМАГАМБЕТ , Б.; KAZANKAPOVA, M.; КАСЕНОВА , Ж. PREPARATION OF A COMPOSITE BASED ON HUMIC ACID AND SILICON OXIDE. Academic Journal of Physical and Chemical Sciences, [S. l.], n. 5, p. 119–125, 2021. DOI: 10.32014/2021.2518-1483.90. Disponível em: http://89.250.84.46/reports-science/article/view/2414. Acesso em: 26 фев. 2026.