H.J. Ismoilova and Z.U. Khidirova, “IMPROVEMENT BY THE METHOD OF SYNTHESIS OF ION-EXCHANGE SORBENTS”, Int. j. innov. eng. res. technol., vol. 8, no. 04, pp. 194–196, Apr. 2021, Accessed: Jun. 30, 2025. [Online]. Available: https://repo.ijiert.org/index.php/ijiert/article/view/2456