Edahwati L, Sutiyono, Hutagalung RN, Nukhuf SRZ. Synthesis of Calcium Phosphate from Boiler Egg Shells as Raw Material for Hydroxyapatite. Nusantara Sci. Tech. Proc. [Internet]. 2022 Nov. 22 [cited 2025 Jul. 31];:108-13. Available from: https://nstproceeding.com/index.php/nuscientech/article/view/767