Ibrahim, Talib K., Nabil N. Rammo, and Kassam R. Hamid. “Synthesis and Crystal Structre of Bipyridyl Comlexes of Praseodymium Nitrate and Chloride”. EURASIAN JOURNAL OF SCIENCE AND ENGINEERING 7, no. 1 (June 29, 2021): 205–216. Accessed April 19, 2026. https://eajse.tiu.edu.iq/index.php/eajse/article/view/199.