A. Ramadan, N., R. Abd-Alela, S. and N. Saaed, N. (2018) “Salicylic Acid and Acetylsalicylic Induced Resistance to Powdery Mildew Disease of Milk thistle (Syllibium marianum)”, Rafidain Journal of Science, 27(1), pp. 214–221. doi: 10.33899/rjs.2018.143930.