“Synthesis of fluorene Heterocyclic Derivatives via (2-Acetyl fluorene\ Benzaldehyde) Chalcone”, مجلة العلوم الأساسية, vol. 35, no. 2, Aug. 2021, Accessed: Jun. 18, 2026. [Online]. Available: https://journal.damascusuniversity.edu.sy/index.php/basj/article/view/1030