Asrari, Elham, and Ali Reza Rezaee. “Cadmium Removal from Industrial Sewage by Using Bentonite and Kaolinite Absorbent Gravels”. EQA - International Journal of Environmental Quality 54, no. 1 (January 1, 2023): 36–40. Accessed January 17, 2025. https://eqa.unibo.it/article/view/16470.