2011. Synthesis, characterization and spectroscopic studies on Schiff base complexes of 1-phenyl-2, 3-dimethyl-4-amino-5-oxo-pyrazole with salicylaldehyde with some divalent transition metals. Baghdad Science Journal. 8, 3 (Sep. 2011), 781–787. DOI:https://doi.org/10.21123/bsj.2011.8.3.781-787.