Hussein , A.A. and Mahmood, F.H. (2022) “Determination local geoid Heights Using RTK-DGPS/Leveling and transformation methods”, Iraqi Journal of Science, 57(2C), pp. 1604–1611. Available at: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7237 (Accessed: 7 December 2025).