F. Al-Hashimi, Z., N. Al-Khashab, R., & A. Kassim, N. (2010). The Effect of Salicylic Acid and Liquid Fertilizer on Productivity of Potato Plants Infected by Potato Virus Y (PVY). Rafidain Journal of Science, 21(5), 73–82. https://doi.org/10.33899/rjs.2010.37006