Obaje, V.O., Koffa, D.J., Aliyu, N.S., Ukewulonu, K.U., Omonile, J.F., Onate, C.A., Emeje, K.O., Oladimeji, E.O. and Oshatuyi, I.I. 2024. 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. 33, 1 (Mar. 2024), 56–59. DOI:https://doi.org/10.62292/njp.v33i1.2024.200.