Synthesis and Spectral Analysis of Mn (II), Cu (II) ,Ni (II) and Cd (II) Complexes with Mixed Ligands containing 1,10-phenanthroline and Schiff base derived of 4-aminoantipyrine. (2014). Baghdad Science Journal, 11(4), 1519-1527. https://doi.org/10.21123/bsj.2014.11.4.1519-1527