Obaje, V. O., D. J. Koffa, N. S. Aliyu, K. U. Ukewulonu, J. F. Omonile, C. A. Onate, K. O. Emeje, E. O. Oladimeji, and I. I. Oshatuyi. “Riemann’s Acceleration in Light of the Howusu Metric Tensor in Spherical Polar Coordinates and Its Effect on the Theory of Gravitation”. Nigerian Journal of Physics, vol. 33, no. 1, Mar. 2024, pp. 56-59, doi:10.62292/njp.v33i1.2024.200.