“A Comparative Study for the Proton Electronic Stopping Power of Some Polymers by Using Mathematica, SRIM2013, PSTAR, LibdEdx, and Experimental Databases”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 30, no. 2, Sept. 2017, pp. 43-53, https://jih.uobaghdad.edu.iq/index.php/j/article/view/1453.