Abdulhadi, A. M., and T. S. Ahmed. “Effect of Magnetic Field on Peristaltic Flow of Walters B Fluid through a Porous Medium in a Tapered Asymmetric Channel”. JOURNAL OF ADVANCES IN MATHEMATICS, vol. 12, no. 12, Jan. 2017, pp. 6889-93, doi:10.24297/jam.v12i12.4440.