Odumosu, J. O.; Adesina, E. A.; Nnam, V. C.; Nwodo, G. O. PRACTICAL OPTIONS FOR THE RE-DEFINITION OF THE NIGERIAN VERTICAL REFERENCE SYSTEM: A CASE STUDY OF LAGOS STATE. Int. J. Renew. Energ & Environ 2026, 4 (2), 45-60. https://doi.org/10.5281/zenodo.20191896.