How to Make and Characterize Hydroxyapatite from Eggshell Using the Hydrothermal Method: Potential Insights for Drug Delivery System. Indonesian J. Sci. Technol [Internet]. 2023 Nov. 20 [cited 2025 Aug. 16];8(3):469-86. Available from: https://ejournal.kjpupi.id/index.php/ijost/article/view/30