Zuo, Ning, De-Wei Mu, Ji-Lun Miao, Xia Li, and Xue-Mei Tan. 2014. “Preparation and Fractal Research of Activated Carbon from Sludge With ZnCl2 CuCl2 As Activating Agent”. Asian Journal of Chemistry 26 (9):2691-94. https://doi.org/10.14233/ajchem.2014.15824.