Subir Kundu and  Sukhendra Singh and  Sumedha Ojha and  Kanika Kundu,  Role of Biorefining and Biomass Utilization in Environmental Control.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 97(1). 15 - 18
    [viewed 14 October 2019]. Available from: https://publications.waset.org/pdf/10000263.