Sarhan, B., 		Hamdan, T., & 		Naema, B.
(2017).
 Synthesis and Characterization of Some mixed-Ligand  Complexes Containing N-acetyl Tryptophan and  (2, 2′-bipyridine) with Some Metal Salts.
<em>Ibn AL- Haitham Journal For Pure And Applied Sciences, 25</em>(3), 294-303.
Retrieved from <a href="https://jih.uobaghdad.edu.iq/index.php/j/article/view/596" target="_new">https://jih.uobaghdad.edu.iq/index.php/j/article/view/596</a>