SarkarA., SilA., and PaulA. K. “Some Characterizations of Three-Dimensional Trans-Sasakian Manifolds Admitting η- Ricci Solitons and Trans-Sasakian Manifolds As Kagan Subprojective Space”. Ukrains’kyi Matematychnyi Zhurnal 72, no. 3 (March 28, 2020): 427-432. Accessed September 21, 2020. http://umj.imath.kiev.ua/index.php/umj/article/view/6047.