K. Gowthami, Hari Prasad. P, B. Mallikarjuna. “Convective Flow of a Ferrofluid Between Rotating Stretchable Disks in An Anisotropic Porous Medium”. International Journal of Advanced Science and Technology, Vol. 29, no. 06, May 2020, pp. 3590 -98, http://sersc.org/journals/index.php/IJAST/article/view/14161.