AL-Safi, M. G. S., AL-Hussein, W. R. A., & Al-Shammari, A. G. N. (2018). A new approximate solution for the Telegraph equation of space-fractional order derivative by using Sumudu method. Iraqi Journal of Science, 59(3A), 1301-1311. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/441