Elsisi, Ahmed. “Bacterial Blight Disease Caused by Pseudomonas Cichorii on Chrysanthemum in Egypt”. Journal of Phytopathology and Pest Management 6, no. 1 (May 14, 2019): 11-23. Accessed September 21, 2019. http://ppmj.net/index.php/ppmj/article/view/184.