Wulandari, E., F. R. A. Wardani, N. Fatimattuzahro, and I. D. A. R. Dewanti. “Addition of Gourami (Osphronemus Goramy) Fish Scale Powder on Porosity of Glass Ionomer Cement”. Dental Journal (Majalah Kedokteran Gigi), vol. 55, no. 1, Mar. 2022, pp. 33-37, doi:10.20473/j.djmkg.v55.i1.p33-37.