Ouattara L, BAMBA K, Kone MGR, et al. Theoretical Studies of the Chemical Reactivity of a Series of Coumarin Derivatives by the Density Functional Theory. ASRJETS-Journal. 2021;75(1):17-28. Accessed September 13, 2025. https://asrjetsjournal.org/American_Scientific_Journal/article/view/6381