WASET
    Asim Tanvir and  Numera Rafaqat,  Adoptability Issues of GPS in Public Sector in Pakistan.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2011, vol. 56(8). 937 - 939
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10333.