Huu Nghia, H., Van Nhac, T., & Thanh Van, N. (2003). DETERMINATION OF THE GEOID HEIGHTS BY ANOMALIES OF POTENTIAL DEDUCED FROM A NORMAL GRAVITY FORMULA. Science and Technology Development Journal, 6(1&2), 34-38. https://doi.org/https://doi.org/10.32508/stdj.v6i1&2.3303