Helard, Denny, Department of Environmental Engineering, Andalas University, Indonesia

• Jurnal Riset Teknologi Pencegahan Pencemaran Industri Vol. 10 No. 1 (2019) - Articles
  Adsorption And Regeneration Of Sungai Pasak Pumice As An Adsorbent For Ammonium Removal In Water
  Abstract  pdf