Rafid Saad Dawood, و Khetam Tareq Ahmed. "Synthesis and Characterization of New Pyrazoline and Isoxazoline Derivatives Based on Fluorene". Tikrit Journal of Pure Science 20, no. 2 (فبراير 9, 2023): 121–127. تاريخ الوصول مايو 19, 2024. https://tjps.tu.edu.iq/index.php/tjps/article/view/1169.