Effect of CaO Ratio in Relation to (NH4)H2PO4 and Temperature on Hydroxyapatite from Shells Using The Hydrothermal Method. G-Tech [Internet]. 2026 Apr. 10 [cited 2026 Oct. 1];10(2):814-23. Available from: https://ejournal.uniramalang.ac.id/g-tech/article/view/9448