Agus Sumono; Erawati Wulanda; Annaba’ Ramadhani; Raditya Nugroho; Supriyadi; I Dewa Ayu Ratna Dewanti. Depth of Porosity of Glass Ionomer Cement With the Addition of Nano-Sized Gourami Scale Powder. International Journal Of Medical Science And Clinical Research Studies 2023, 3, 2631-2635.