N. Burham, N. F. Mostafa, and M. F. El-Shahat, “Novel and Green Modification of Shrimp Shells for the Determination and Extraction of Some Toxic Metal Ions from Real Water Samples”, ASRJETS-Journal, vol. 30, no. 1, pp. 112–138, Apr. 2017, Accessed: Sep. 12, 2025. [Online]. Available: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/2559