1. C. S. Bagewadi, D. G. Prakasha and Venkatesha, Projective curvature tensor on a Kenmotsu manifold with respect to. semi-symmetric metricconnection, Stud. Cercet. Stiint. Ser. Mat. Univ. Bacau. 17, (2007), pp. 21–32.
2. D. E. Blair, Contact manifolds in Riemannian geometry, Lecture Notes in Mathematics 509, Springer-Verlag 1976.
3. S. K. Chaubey and R. H. Ojha, On the m-projective curvature tensor of a Kenmotsu manifold, Diff. Geom. Dyn. Syst. 12, (2010), pp. 52–60.
4. U. C. De, φ-symmetric Kenmotsu manifolds, International Electronic Journal of Geometry, 1(1), (2008), pp. 33–38.
5. U. C. De and J. Sengupta, Quarter-symmetric metric connection on a Sasakian manifold, Commun. Fac. Sci. Univ. Ank. Series 49, (2000), pp. 7–13.