WASET
    Raj Kumar Rajak and  Bharat Mishra,  Studies on the Feasibility of Cow Dung as a Non-Conventional Energy Source.   journal   = {International Journal of Energy and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2017, vol. 132(12). 1056 - 1059
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10008826.