Sulaiman C. T., Gopalakrishnan V. K, and Indira Balachandran. “Reverse Phase Liquid Chromatography Coupled With Quadra Pole- Time of Flight Mass Spectrometry for the Characterisation of Phenolics from Acacia Catechu (L.F.) Willd”. International Journal of Phytomedicine, vol. 4, no. 3, Sept. 2012, pp. 403-8, https://ijp.arjournals.org/index.php/ijp/article/view/193.