Kh. Dawood, Saad, and Falah M. Fakhree. 2013. “New Complexes of ( 3, 4, 6, 13, 14, 16 – Hexaazatricyclo [16,2,2,28,11] Tetracosane- 2,5,7,12,15,17-Hexaone) With Mn(II), Fe(II), Co(II), Ni(II), Cu(II) and Zn(II)”. Rafidain Journal of Science 24 (5):76-85. https://doi.org/10.33899/rjs.2013.74545.