Satheshkumar, A., D. Kirubakaran, and N. Muraleedharan. “Impact of Shear Harvesting on the Residues of Hexaconazole and Copper in Black Tea”. Journal of Plantation Crops, vol. 39, no. 3, Nov. 2011, pp. 388-9, https://updatepublishing.com/journal/index.php/JPC/article/view/5922.