“Interpolation and Statistical Analysis for Evaluation of Global Earth Gravity Models Based on GPS and Orthometric Heights in the Middle of Iraq”.
Iraqi Journal of Science 61, no. 7 (July 29, 2020): 1823–1830. Accessed April 1, 2025.
https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1585.