Febrina, E., A. Evelyna, A. Harmaji, and B. Sunendar. “Properties of Nanocellulose and Zirconia Alumina on Polymethylmethacrylate Dental Composite”. Dental Journal, vol. 56, no. 1, Jan. 2023, pp. 30-35, doi:10.20473/j.djmkg.v56.i1.p30-35.