Rashid S S and  Alam M Z and  Karim M I A and  Salleh and  M H,  Optimization of the Nutrient Supplients for Cellulase Production with the Basal Medium Palm Oil Mill Effluent.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2009, vol. 36(12). 568 - 574
    [viewed 20 January 2020]. Available from: https://publications.waset.org/pdf/15518.