T. Numan A, S. Abd-Ulrazzaq S, A. Dawood F. Synthesis, Spectroscopic and Adsorption Studies of Cobalt (II) Complex for a ligand β-enaminone Derived from. IHJPAS. 2017;29(1). Accessed March 14, 2025. https://jih.uobaghdad.edu.iq/index.php/j/article/view/79