“On Symmetric, Semi-Symmetric and Quarter-Symmetric Riemannian Manifolds”, J. Int. Acad. Phys. Sci., vol. 26, no. 3, pp. 237–246, Sep. 2022, Accessed: Oct. 23, 2026. [Online]. Available: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/950