Nair, D.B., James Jacob, and N.R. Nair. “A Simple Method for Rapid Determination of Residual Water Content in Rubber Cup Lumps”. Journal of Plantation Crops 40, no. 1 (June 30, 2012): 35–39. Accessed September 23, 2025. https://www.updatepublishing.com/journal/index.php/JPC/article/view/7575.