Karm A. Khalaf, and Adnan O. Omar. “Green Synthesis and Spectroscopic Study of New Heterocyclic Compounds Derived from Ethyl Coumarilate”. African Journal of Advanced Pure and Applied Sciences 2, no. 2 (June 8, 2023): 281–289. Accessed February 13, 2026. https://aaasjournals.com/index.php/ajapas/article/view/383.