R. Zmemla, P. Chaurand, M. Benjdidia, B. Elleuch, and J. Y. Bottero, “Characterization and pH Dependent Leaching Behavior of Tunisian Phosphogypsum”, ASRJETS-Journal, vol. 24, no. 1, pp. 230–244, Sep. 2016, Accessed: Sep. 24, 2025. [Online]. Available: https://asrjetsjournal.org/American_Scientific_Journal/article/view/1805