Lihames Al-Shimmery, Hala Shakier, and Ferdos Sammie. 2017. “Synthesis and Characterization of Some Heterocyclic Compound Tetrazole from Schiff Base”. Al-Qadisiyah Journal of Pure Science 21 (3), 94-103. https://journalsc.qu.edu.iq/index.php/JOPS/article/view/22.