Adnan, Shaimaa, zaynab mouhsen, and Nahla Shakir. “Synthesis , Characterization , Thermodynamic and Spectroscopic Properties for Antipyrine - Azo Complexes”. Al-Qadisiyah Journal of Pure Science 20, no. 4 (August 1, 2018): 53 - 59. Accessed May 6, 2024. https://journalsc.qu.edu.iq/index.php/JOPS/article/view/863.