AND B. P. SINGH, J. K. JOHRI, K. M. SRIVASTAVA, R. K. RAIZADA, A. L. DESHPANDE*. “ISOLATION AND PURIFICATION OF A VIRUS INFECTING PIPER BETLE”. Indian Phytopathology 43, no. 4 (January 30, 2002): 491–495. Accessed October 20, 2025. https://epubs.icar.org.in/index.php/IPPJ/article/view/22648.