M. A. B. Habib, M. M. Uddin, N. N. Nur, and M. Parvin, “Culture of Chlorella ellipsoidea (Gerneck) in Supernatant of Different Concentrations of Digested Waste Potato Powder”, Pakistan Journal of Scientific & Industrial Research, vol. 50, no. 3, pp. 199–203, Aug. 2007.