La Ode Asmin, and La Isa. “SYNTHESIS AND CHARACTERIZATION OF STRUCTURAL NANOCOMPOSITE TITANIUM DIOXIDE COPPER-DOPED USING THE IMPREGNATION METHOD”. Spektra: Jurnal Fisika Dan Aplikasinya, vol. 5, no. 1, Apr. 2020, pp. 21-30, doi:10.21009/SPEKTRA.051.03.