Yermagambet Bolat Toleukhanuly, Kazankapova Maira Kuttybaevna, Kassenova Zhanar Muratbekovna и Nauryzbaeva Asemay Turlangyzy (2020) «OBTAINING DERIVATIVES OF HUMIC SUBSTANCES FROM OXIDIZED COAL AND STUDY OF PHYSICO-CHEMICAL AND ADSORPTION PROPERTIES», Academic Scientific Journal of Chemistry, (6), сс. 57–64. доступно на: https://journals.nauka-nanrk.kz/chemistry-technology/article/view/566 (просмотрено: 5 декабрь 2025).