Efrizal Efrizal

Math and Science Faculty , Andalas University

 

Article(s):
  1. Vol. 3 (2013) No. 6
    The influence of Water Hyacinth to Decrease the Heavy Metals Mercury (Hg) Concentration for Irrigation
    Rusnam Rusnam, Asmiwarti Asmiwarti, Efrizal Efrizal, Arda Sofyani