H. A. Ali and A. M. Abdulhadi, “Analysis of Heat Transfer on Peristaltic Transport of Powell- Eyring Fluid in an Inclined Tapered Symmetric Channel with Hall and Ohm’s Heating Influences”, J. Al-Qadisiyah Comp. Sci. Math., vol. 10, no. 2, pp. Math Page 26 – 41, Feb. 2018.