Erawati Wulandari, Nadie Fatimatuzzahro, I Dewa Ayu Ratna Dewanti and Anita Faizah 2025. THE ENHANCEMENT OF GLASS IONOMER CEMENT HARDNESS BY ADDING GOURAMI SCALES POWDER NANOPARTICLES. Journal of Vocational Health Studies. 8, 3 (Mar. 2025), 206–210. DOI:https://doi.org/10.20473/jvhs.V8.I3.2025.206-210.