“EGG SHELL AS NATURAL SORBENT TO REMOVE CADMIUM IONS FROM SIMULATED WASTEWATER”. Journal of Engineering and Sustainable Development 23, no. 6 (November 1, 2019): 167–177. Accessed May 3, 2024. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/189.