Siddesha, M. ., C. . Bagewadi, and D. . Nirmala. “Totally Umbilical Proper Slant Submanifolds of Para-Kenmotsu Manifold”. CUBO, A Mathematical Journal, vol. 21, no. 2, Aug. 2019, pp. 41–49, doi:10.4067/S0719-06462019000200041.