A Study on Sustainable Eggshell-Derived Hydroxyapatite/CMC Membranes: Enhancing Flexibility and Thermal Stability for Sustainable Development Goals (SDGs). Indonesian J. Sci. Technol [Internet]. 2025 Jul. 8 [cited 2025 Jul. 15];10(2):191-206. Available from: https://ejournal.kjpupi.id/index.php/ijost/article/view/414