El-Kot*, A.M., and A.R. Ismail. “An Insight into Further Limitation of the Use of Thermo-Metric Method for Determination of Corrosion Inhibition Efficiency of Zn in Hydrochloric Acid Solution ”. Asian Journal of Chemistry, vol. 3, no. 4, Mar. 2010, pp. 432-9, https://asianpubs.org/index.php/ajchem/article/view/25269.