Sharma, Y.P., K.K. Pramanick, S.K. Sharma, and Poonam Kashyap. 2013. “Disease Reaction of Apple Germplasm to White Root Rot (Dematophora Necatrix)”. Indian Journal of Horticulture 70 (01):130-34. https://journal.iahs.org.in/index.php/ijh/article/view/1467.