“Synthesis , Characterization , Antimicrobial New 2,2’-[(1E,2E)-Ethane-1,2-diylidenedi(2E)hydrazin-1-Yl-2-ylidene]bis (5-Methyl-1,3,4-Oxadiazole) and Their Transition Metal Complexes”. University of Thi-Qar Journal of Science, vol. 6, no. 2, June 2017, pp. 1-18, http://jsci.utq.edu.iq/index.php/main/article/view/6.