Muhammad Naveed and  Yang Caixia,  Need of National Space Legislation for Space Faring Nations.   journal   = {International Journal of Law and Political Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2017, vol. 131(11). 2647 - 2651
    [viewed 16 January 2021]. Available from: https://publications.waset.org/pdf/10008117.