Jatmiko, T. (2020). Optimization of Production Activated Carbon for Removal of Pharmaceuticals Waste Using Taguchi Method and Grey Relational Analysis. Jurnal Riset Teknologi Pencegahan Pencemaran Industri, 11(2), 11–18. https://doi.org/10.21771/jrtppi.2020.v11.no2.p11-18