Azzouz, A., عادل, H. Gamal El Mawla, and هبة. “A Comparative Study of the Values of Ionization Constants for Acid Compounds Derived from N-Formyl Pipyidines”. Journal of Education and Science (JES), vol. 25, no. 1, Mar. 2012, pp. 1-17, doi:10.33899/edusj.2012.58987.