“A Study on Sustainable Eggshell-Derived Hydroxyapatite CMC Membranes: Enhancing Flexibility and Thermal Stability for Sustainable Development Goals (SDGs)”. Indonesian Journal of Science and Technology, vol. 10, no. 2, July 2025, pp. 191-06, https://ejournal.kjpupi.id/index.php/ijost/article/view/414.