Essien, U. B. ., and E. . Ogoko. “Experimental and Quantum Chemical Studies on the Corrosion Inhibition Potential of ?-Carotene for Mild Steel in Solution of HCl”. Nigerian Journal of Pharmaceutical and Applied Science Research, vol. 8, no. 2, Aug. 2020, pp. 89-102, http://mail.nijophasr.net/index.php/nijophasr/article/view/296.