Thomas, Vinoth, S. Pramod, and K. S. Rao. “Structural Modification of Phloic Rays in Hevea Brasiliensis With Reference to Tapping Panel Dryness and Stimulation”. Journal of Plantation Crops 41, no. 2 (August 22, 2019): 142–150. Accessed April 25, 2024. https://updatepublishing.com/journal/index.php/JPC/article/view/5809.