Uddin, Salah, et al. “Caputo-Fabrizio Time Fractional Derivative Applied to Visco Elastic MHD Fluid Flow in the Porous Medium”. International Journal of Engineering & Technology, vol. 7, no. 4.30, Nov. 2018, pp. 533-7, https://doi.org/10.14419/ijet.v7i4.30.28171.