NursehaN., and DjajakiranaG. “Isolation and Activity Test of Acidophilic Iron and Sulfur Oxidizing Bacteria from Black Water Ecosystem of Central Kalimantan”. Jurnal Ilmu Tanah Dan Lingkungan, Vol. 6, no. 2, Oct. 2004, pp. 51-56, doi:10.29244/jitl.6.2.51-56.