Amanda, Hiroko, Elline Elline, & Eko Fibryanto. " Synthesis and Physical Characterization of Nano-Hydroxyapatite-Collagen-Epigallocatechin-3-Gallate Hydrogel Composite." Journal of Indonesian Dental Association [Online], 5.1 (2022): 7-13. Web. 27 Dec. 2024