Zhdanyuk, Nataliya. “Research of Chromium (VI) Ion Adsorption by Montmorillonite Modified by Cationic Surfactants”. Technology audit and production reserves 5, no. 3(31) (September 29, 2016): 11–15. Accessed December 24, 2024. https://journals.uran.ua/tarp/article/view/81015.