Rahmayeni, R., Zulhadjri, Z., Stiadi, Y., Harry, A. and 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 (Jun. 2020), 6801–6810. DOI:https://doi.org/10.15282/jmes.14.2.2020.20.0532.