M. Gh. A. E. AL-Dabbagh, M. and M 2014. Determination of pKa for some Schiff bases derived from benzaldehyde and amino phenols by conductivity measurement. Journal of Education and Science (JES). 27, 1 (Mar. 2014), 1–15. DOI:https://doi.org/10.33899/edusj.2014.161534.