Simatupang, Mediniah Putri, et al. “Enhanced Optical Properties of Ce-Doped ZnO Nanoparticles via A Green Plant-Based Synthesis Approach”. Spektra: Jurnal Fisika Dan Aplikasinya, vol. 10, no. 1, Apr. 2025, pp. 25-34, doi:10.21009/SPEKTRA.101.03.