Athirah Dzolin, Syaidah, et al. “Investigation of Substituent Effects on Corrosion Protection of Mild Steel by Schiff Bases in 0.5 M NaCl”. International Journal of Engineering & Technology, vol. 7, no. 4.18, Nov. 2018, pp. 14-18, https://doi.org/10.14419/ijet.v7i4.18.21812.