S.Bakkialakshmi, M. Shakthia, and K.B. Renuka Devi. “Intermolecular Change Transfer in a Coumarin – Aliphatic Amines System: Influence of Solvent and Bridging Unit on Electronic Properties”. International Journal of Pharmaceutics and Drug Analysis, Aug. 2017, pp. 295-09, https://ijpda.com/index.php/journal/article/view/300.