Yudhit, A.; Harahap, K. I.; Dewi, Y. R. Effect Fresh Milk on Surface Roughness of Resin Modified Glass Ionomer Cement: Efek Susu Segar Terhadap Kekasaran Permukaan Semen Ionomer Kaca Modifikasi Resin. Dentika Dental J. 2019, 22, 12-14.