Dakmouche, M., M. Saidi, M. Hadjadj, M. Yousfi, and Z. Rahmani. 2012. “Enhancement of the Inhibitor Efficiency of 4-Phenyl-1,2-Dithiol-3-Thione on Corrosion of Mild Steel for 20 % Sulphuric Acid”. Asian Journal of Chemistry 24 (11):4887-91. https://asianpubs.org/index.php/ajchem/article/view/9787.