Amar Nath, and Manohar Singh Chahar. “Study and Analysis of Almost Para Sasakian Type-Riemannian Manifold”. International Journal of Mathematics And its Applications 5, no. 4 - E (December 15, 2017): 647–654. Accessed July 3, 2024. https://ijmaa.in/index.php/ijmaa/article/view/1322.