Ghorbel, A., F. Ben Abdallah, and S. Chebil. “More about in Vitro Grape Virus Symptomatology”. Phytopathologia Mediterranea 42, no. 1 (April 1, 2003): 35–40. Accessed November 22, 2024. https://oajournals.fupress.net/index.php/pm/article/view/4994.