Spectral Study of Pt (II), Cr (II) Polymeric Complexes of the Ligand N- Crotonyl -2- Hydroxy-Phenylazomethine. alkej. 2013;9(4):39-45. Accessed November 23, 2024. https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/183