Hussein, Hani Kazem Hamza, et al. “Preparing Egg Shells in an Environmentally Friendly Way and Removing Methyl Orange Dye From the Aqueous Solution”. Innovative Multidisciplinary Journal of Applied Technology, vol. 2, no. 7, Aug. 2024, pp. 361-7, https://multijournals.org/index.php/innovative/article/view/2069.