Mushrif, Sadanand K., Kavitha K. Mydin, and E. Edwin Prem. 2013. “Reaction of the Polycross Progenies to Two Major Leaf Diseases of Rubber (Hevea Brasiliensis)”. Journal of Plantation Crops 41 (3):398-403. https://updatepublishing.com/journal/index.php/JPC/article/view/5856.