Pratiwi, Ningsih Ika, Annisa Huwaida, Shinta Indah, and Denny Helard. 2020. “Adsorption And Regeneration Of Sungai Pasak Pumice As An Adsorbent For Ammonium Removal In Water”. Jurnal Riset Teknologi Pencegahan Pencemaran Industri 10 (1):38-46. https://doi.org/10.21771/jrtppi.2019.v10.no1.p38-46.