Team, S. “Contact CR-Warped Product Submanifolds of Kenmotsu Manifolds: Viqar Azam Khan, Khalid Ali Khan, Sirajuddin -”. Thai Journal of Mathematics, vol. 6, no. 2, Dec. 2008, pp. 307-14, https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/121.