WASET
    I. Yakubu and  Y. Y. Ziggah and  E. A. Gyamera,  Appraisal of Relativistic Effects on GNSS Receiver Positioning.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2023, vol. 195(3). 41 - 46
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10013002.