Ristifara, A.; Wati, R.; Susanti, D.; Mahardianti, M.; Siburian, M. Physicochemical and Mechanical Characterization of Hydroxyapatite-Chitosan- PVA Composite Scaffolds Based on Marine Fish Bone Sources. J. Energy Mater. Instrum. Technol. 2026, 7, 165-176.