N. P. Dhull and  K. Gupta and  R. Soni and  D. K. Rahi and  S. K. Soni,  Statistical Optimization of Medium Components for Biomass Production of Chlorella pyrenoidosa under Autotrophic Conditions and Evaluation of Its Biochemical Composition under Stress Conditions.   journal   = {International Journal of Biotechnology and Bioengineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2014, vol. 92(8). 941 - 948
    [viewed 22 October 2019]. Available from: https://publications.waset.org/pdf/9999975.