Mary Anbarasi, C., Susai Rajendran, B. Narayanasamy, and A. Krishnaveni. 2012. “Surface Analysis of Inhibitor Film Formed by Butane Sulphonic Acid-Zn2+ System on Carbon Steel in Aqueous Medium”. Asian Journal of Chemistry 24 (11):5029-34. https://asianpubs.org/index.php/ajchem/article/view/9832.