Ouattara, L. ., K. BAMBA, M. G.-R. . Kone, J. S. . N’dri, A. L. . Bede, K. N. . N’guessan, and D. . Soro. “Theoretical Studies of the Chemical Reactivity of a Series of Coumarin Derivatives by the Density Functional Theory”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 75, no. 1, Jan. 2021, pp. 17-28, https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/6381.