P.C. AGARWAL and RAM NATH, BALESHWAR SINGH, K. ANITHA,. “Interception of Pseudomonas Syringae Pv. Syringae on Hibiscus Cannabinus”. Indian Phytopathology, vol. 48, no. 3, Jan. 2002, p. 352, https://epubs.icar.org.in/index.php/IPPJ/article/view/20787.