SARHAN, B. M.; 						HAMDAN, T.A.; 						NAEMA, B. Z..
 Synthesis and Characterization of Some mixed-Ligand  Complexes Containing N-acetyl Tryptophan and  (2, 2′-bipyridine) with Some Metal Salts.
<strong>Ibn AL- Haitham Journal For Pure and Applied Science</strong>, [S.l.], v. 25, n. 3, p. 294-303, may 2017.
ISSN 2521-3407.
Available at: &lt;<a href="http://jih.uobaghdad.edu.iq/index.php/j/article/view/596" target="_new">http://jih.uobaghdad.edu.iq/index.php/j/article/view/596</a>&gt;. Date accessed: 30 nov. 2019.