اسامة جاسم ز. (2011). Synthesis and Characterization of New Mn(II), Co(II), Ni(II) and Cu(II) Complexes with [α-methyl-N-(3-methylidene indol)-2-amino anthraquinone] Ligand. College of Basic Education Research Journal, 10(4), 570–581. Retrieved from https://moss.uomosul.edu.iq/index.php/berj/article/view/39696