El-Aziz, Mahmoud Hamdy Abd. “Natural Infection of Squash Fruits (Cucurbita Pepo) by Zucchini Yellow Mosaic Potyvirus (ZYMV) in Alexandria Governorate”. Journal of Plant Science and Phytopathology, vol. 4, no. 1, Apr. 2020, pp. 028-32, doi:10.29328/journal.jpsp.1001047.