P. RAMACHANDRAN3 and R.P. MEDHI1, R.P. PANT1*, MRINAL DAS1, K.B. PUN2,. “Occurrence of Cymbidium Mosaic and Odontoglossum Ringspot Viruses in Orchid Germplasm of Sikkim and Darjeeling Hills, Their Identification and Diagnosis”. Indian Phytopathology 63, no. 3 (September 1, 2010): 326–332. Accessed October 20, 2025. https://epubs.icar.org.in/index.php/IPPJ/article/view/12457.