WASET
    F. A. M. Safwan and  H. N. N. Dilrukshi and  P. U. S. Peiris,  Evaluating the Performance of Organic, Inorganic and Liquid Sheep Manure on Growth, Yield and Nutritive Value of Hybrid Napier CO-3.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2016, vol. 111(3). 199 - 202
    [viewed 08 May 2024]. Available from: https://publications.waset.org/pdf/10004194.