Kassim, Nabeel A., Zulaykha A. Abduljalil Nerway, and Kurdistan H. Yousif. “Identification of Potato Virus Y (Pvy) and Its Economic Importance on Potato Crop”. Science Journal of University of Zakho 2, no. 2 (December 30, 2014): 304–309. Accessed April 20, 2024. https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/234.