Maisalatee, A. U., W. L. Lumbi, I. I. Ewa, M. Mohammed, and Y. K. Kaika. “Generalization of Quantum Mechanical Wave Equation in Spherical Coordinate Using Great Metric Tensors and a Variable Gravitational Scalar Potential”. International Astronomy and Astrophysics Research Journal 2, no. 1 (July 30, 2020): 139–147. Accessed October 4, 2026. https://journaliaarj.com/index.php/IAARJ/article/view/22.