G. Abed, Amel, and امل. 2012. “U.V Spectroscopic Study of Benzylidine P-Toluenesulphonomide Schiff- Bases in Absolute Methanol – Direct Determination of Trace Amounts”. Journal of Education and Science (JES) 25 (4):12-26. https://doi.org/10.33899/edusj.2012.65242.