Mohammed Shaheen, J. I. (2019). Synthesis and characterization of some complexes of Co(II), Ni(II), Cu(II),Zn(II),Cd(II) and Hg(II) with Schiff–base( N-benzylidine furan -3-Carbohydrazide ). Al-Qadisiyah Journal of Pure Science, 23(4), 34 - 36. https://doi.org/10.29350/jops.2018.23.4.911