Zulananta, S., Ginaris, R.P. and Nurrahman, A. 2025. FORMULATION AND EVALUATION OF THE PHYSICAL QUALITY OF NIACINAMIDE GEL PREPARATIONS USING PVP AS A GELLING AGENT. JURNAL RISET KESEHATAN POLTEKKES DEPKES BANDUNG. 17, 2 (Oct. 2025), 835–843. DOI:https://doi.org/10.34011/juriskesbdg.v17i2.2883.