GADDAM SUSMILA APARNA, VENKATA SUBBAIAH KOTAKADI, , D. V. R. SAIGOPAL, and M. N. REDDY, “CITRUS YELLOW MOSAIC: A TRANSMISSIBLE VIRUS OF CITRUS SPIECES IN INDIA”, The Bioscan, vol. 7, no. 2, pp. 283–288, May 2012.