khdur, Radhiya.A. “Synthesis Some of New Heterocyclic Derivatives Containing Azo Group”. Al-Qadisiyah Journal of Pure Science 18, no. 3 (August 22, 2017): 114-128. Accessed May 4, 2024. https://journalsc.qu.edu.iq/index.php/JOPS/article/view/450.