Matos, J., R. Montana, E. Rivero, J. Velasco, and G. Ledezma. “Photocatalytic Activity of ZnO-Biochar Hybrid Composites”. Eurasian Chemico-Technological Journal 16, no. 4 (November 10, 2014): 293–297. Accessed May 8, 2024. https://ect-journal.kz/index.php/ectj/article/view/251.