A. Al-Qassar, Ibraheem, and Abdul-Ghany M. Al- Daher. “Synthesis and Characterization of Mn(II), Co(II), Ni(II),Cu(II), Zn(II) and Cd(II) Complexes With Thiophene -2- CarboxylicAcid Hydrazide”. Rafidain Journal of Science 22, no. 5 (July 1, 2011): 108–118. Accessed September 28, 2025. https://jamh.uomosul.edu.iq/index.php/rsci/article/view/47723.