J. S. R. J. M. RAMIAH and A. VARMA*, “Natural spread of Papaya ringspot virus to new areas: Occurrence in Coimbatore, Tamil Nadu”, Indian Phytopath., vol. 58, no. 2, pp. 245–249, May 2005, Accessed: Aug. 13, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IPPJ/article/view/17487