Rahmayeni, R., Zulhadjri, Z., Stiadi, Y., Harry, A., & Arief, S. (2020). Synthesis of ZnO/ZnFe2O4 nanocomposites in organic-free media and their photocatalytic activity under natural sunlight. Journal of Mechanical Engineering and Sciences, 14(2), 6801–6810. https://doi.org/10.15282/jmes.14.2.2020.20.0532