Onate, C. A., O.O. Ogunlesi, O. M. Odeyemi, and O. E. Odeyemi. “Approximate Solutions of the Effective Mass Klein-Gordon Equation for Unequal Potentials”. Physics Memoir - Journal of Theoretical & Applied Physics 1, no. 4 (October 8, 2019): 142–151. Accessed April 28, 2025. https://physicsmemoir.org.ng/index.php/pmjtap/article/view/17.