“HUMIC ACID ADSORBED ONTO SILICA GEL SURFACE, MODIFIED WITH A QUATERNARY AMMONIUM SALT, FOR THE ZINC REMOVAL FROM NATURAL WATERS”, Вісник: Хімія, vol. 51, no. 1, pp. 23–27, Nov. 2015, Accessed: Oct. 06, 2026. [Online]. Available: https://chemistry.bulletin.knu.ua/en/article/view/8517