Elshewy, M.A., A.M. Hamdy, and A.M. Elsheshtawy. 2020. “Improving the Accuracy of GNSS Data in the Absolute Point Positioning Based on Linear Relational Model”. International Journal of Geoinformatics 16 (4):51-57. https://journals.sfu.ca/ijg/index.php/journal/article/view/1797.