Denny Helard

Department of Environmental Engineering, Faculty of Engineering, Universitas Andalas, Kampus Unand Limau Manis, Padang 25163

 

Article(s):
  1. Vol. 9 (2019) No. 5
    Column Study of Aluminum Adsorption from Groundwater by Natural Pumice
    Shinta Indah, Denny Helard, Fatilla Hudawaty