Ogbebor, N.O., V.I. Omorusi, K. Orumwense, and K. Ijie. “The Status of White Root Rot in Rubber Plantations in Nigeria”. Journal of Plantation Crops 42, no. 1 (January 11, 2014): 142–144. Accessed September 23, 2025. https://www.updatepublishing.com/journal/index.php/JPC/article/view/5578.