Gudeib, Hassan Z., et al. “Reducing Rate the Phosphate and Nitrate in Industrialy Prepared Media and from Waste Water by Using The Algae Scendesmus Quadricauda”. Journal of Biotechnology Research Center, vol. 6, no. 1, Jan. 2012, pp. 42-50, doi:10.24126/jobrc.2012.6.1.198.