Synthesis, Spectral and Dyeing Performance Studies of 4-(2-Aminmo-5-nitro-phenylazo)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one Complexes with Some Metal Ions. (2016). Baghdad Science Journal, 13(4), 0838. https://doi.org/10.21123/bsj.2016.13.4.0838