Said Azzouz, A. and Gamal El Mawla, H. 2012. Influence of percentages of ethanol alcohol on the acidity and basal of various imines derived from N-formylpipridine. Journal of Education and Science (JES). 25, 4 (Dec. 2012), 30–42. DOI:https://doi.org/10.33899/edusj.2012.70978.