T. Numan, Ahmed, Sahira S. Abd-Ulrazzaq, and Farah A. Dawood. 2017. “Synthesis, Spectroscopic and Adsorption Studies of Cobalt (II) Complex for a Ligand β-Enaminone Derived from”. Ibn AL-Haitham Journal For Pure and Applied Sciences 29 (1). https://jih.uobaghdad.edu.iq/index.php/j/article/view/79.