A. Akhter, S. Zaman, U. Ali, Y. Ali, and M. A. J. Miah, “Isolation of Polyphenolic Compounds from the Green Coconut (<i>cocos nucifera</i>) Shell and Characterization of their Benzoyl Ester Derivatives”, J. Sci. Res., vol. 2, no. 1, pp. 186–190, Dec. 2009.