Kumar, Anil, and G.C. Sharma. “Performance and Analysis of Flow Between Annular Space Surrounded by a Rotating Coaxial Cylinder With Co-Axial Cylindrical Porous Medium”. International Journal of Scientific Research in Computer Science and Engineering, vol. 5, no. 3, June 2017, pp. 1-6, https://ijsrcse.isroset.org/index.php/j/article/view/131.