', Rifardi, Indonesia

• Vol 8, No 1 (2010) - Articles
  Analisis Karakteristik Sedimen Di Muara Sungai Indragiri
  Abstract  PDF
• Vol 8, No 2 (2010) - Articles
  Study Of Distribution And Level Of Nitrate And Nitrite Dissoalved O2 (DO) Central Estuary Aek Tolang Pandan North Sumatra Province
  Abstract  PDF