Atoki, L. (2026). GNSS/Levelling-Based Assessment of Vertical Deformation along the Jonathan Bypass Airport Road, Calabar (Nigeria), Using the 3-Sigma Statistical Criterion (E. I. Edoki, O. S. Omachoko, K. S. Buraimoh, S. T. Ibraheem, E. O. Akinwale, & O. Odesola, Trans.). FUDMA JOURNAL OF SCIENCES, 10(10), 190-201. https://doi.org/10.33003/fjs-2026-1010-5198