“Experimental Evaluation Use of Semifluidized Bed Adsorber for the Treatment of P-Chlorophenol and O-Cresol in Wastewater Using Activated Carbon As Adsorbent”. Journal of Engineering, vol. 21, no. 12, Dec. 2015, pp. 19-28, https://doi.org/10.31026/j.eng.2015.12.02.