Amanda, Hiroko, 		Elline, Elline, AND 		Fibryanto, Eko.
" Synthesis and Physical Characterization of Nano-Hydroxyapatite-Collagen-Epigallocatechin-3-Gallate  Hydrogel Composite" <em>Journal of  Indonesian Dental Association</em> [Online], Volume 5 Number 1 (17 May 2022)