Wulandari, Erawati, Farah Rachmah Aulia Wardani, Nadie Fatimattuzahro, and I Dewa Ayu Ratna Dewanti. 2022. “Addition of Gourami (Osphronemus Goramy) Fish Scale Powder on Porosity of Glass Ionomer Cement”. Dental Journal 55 (1):33-37. https://doi.org/10.20473/j.djmkg.v55.i1.p33-37.