F. N. I. D. J. S. S. MATHUR and A. VARMA, “Characterization of new strains in rice tungro Viruses”, Indian Phytopath., vol. 58, no. 3, pp. 308–313, Sep. 2005, Accessed: Jul. 15, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IPPJ/article/view/17504