Hadi, J. S., B. K. Alsalam, and A.H. Essa. “Synthesis, Spectroscopic Characterization and Theoretical Study of Schiff Bases Derived from Phenylsulfonylamide”. Journal of Scientific Research 1, no. 3 (August 29, 2009): 563–568. Accessed December 8, 2022. https://banglajol.info/index.php/JSR/article/view/2589.