C. B. F. N. and JASVIR SINGH, “Effect of azadirachtin and dihydro azadirachtin on invitro acquisition of rice tungro viruses”, Indian Phytopath., vol. 60, no. 3, pp. 362–365, Sep. 2007, Accessed: Jun. 25, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IPPJ/article/view/17220