الباني نبيل. “Investigations of the Mechanism of the Ethene Polymerization Catalyzed by the Cyclopentadienyl Chromium Complex by Density Functional Theory Methods”. Tishreen University Journal -Basic Sciences Series 43, no. 2 (May 20, 2021). Accessed May 18, 2024. https://journal.tishreen.edu.sy/index.php/bassnc/article/view/10585.