NUMAN, A.Th.; ALSALEHE, E. I.; ALDULAIMI, J. H.. Synthesis and Characterization of Tetradentate Complexes Type N2O2 From the Reaction of 2-Hydroxy -1, 2-Diphynel-Ethanone Oxime [H2L] With Mn II, Fe II, Co II, Ni II, Cu II and Hg II Ions. Ibn AL- Haitham Journal For Pure and Applied Science, [S.l.], v. 22, n. 3, aug. 2017. ISSN 2521-3407. Available at: <http://jih.uobaghdad.edu.iq/index.php/j/article/view/1187>. Date accessed: 01 dec. 2019.