S. Yaro, Aprael, Nashwan A . Rashed, and Ahmed S. Abdul-Hassan. 2007. “Corrosion Inhibition of Low Carbon Steel in Different HCl Concentrations by Phenythiourea”. Iraqi Journal of Chemical and Petroleum Engineering 8 (1), 47-50. http://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/465.