Owaid Kadhim, R., and A. Habeeb Hussien. “Study of the Stopping Power to the Protons in Vehicles C3H3N , CH2O”. Al-Qadisiyah Journal of Pure Science, Vol. 20, no. 3, July 2018, pp. 67 -82, https://journalsc.qu.edu.iq/index.php/JOPS/article/view/829.