Raji, S.Q. and Bader, A.T. 2025. Synthesis and Characterization of Co3O4 and ZnO Nanoparticles Based on Schiff Base Complexes as a Precursor to the Photocatalytic Photodegradation of Congo Red Dye. Science and Technology Indonesia. 10, 2 (Mar. 2025), 420–431. DOI:https://doi.org/10.26554/sti.2025.10.2.420-431.