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Gamachu Fikadu Abdi, and Kibur Hunie Tesfa. “Recent Advances in Synthesis of Coumarins: Coumarin Derivatives and Their Biological Application”. Ethiopian Journal of Natural and Computational Sciences 2, no. 2 (August 15, 2022): 361–374. Accessed August 4, 2025. https://journal.uog.edu.et/index.php/EJNCS/article/view/777.