Preethi, P, T Vidhan Singh, D Ramajayam, and M V Prasad. “Pole Harvesting - A Skillful Operation in Oil Palm Fresh Fruit Bunch (FFB) Harvest”. Journal of Plantation Crops 46, no. 3 (December 12, 2018): 204–209. Accessed September 23, 2025. https://www.updatepublishing.com/journal/index.php/JPC/article/view/5797.