Herawati N, Juniar H, Rosalina SA. Reducing Pollutant Levels of Industrial Wastewater using Activated Carbon Based on Used Oil Cracking Catalysts. j.ris.technol.pencegah. [Internet]. 2026 May 31 [cited 2026 Sep. 19];17(1):121-38. Available from: https://www.jrtppi.id/index.php/jrtppi/article/view/348