El Mahdy, H., and S. Abd El Salam. “Nucleotide and Amino Acid Sequencing of a Coat Protein of an Egyptian Isolate of Potato Virus Y (PVY)”. Asian Journal of Applied Sciences, vol. 4, no. 2, Apr. 2016, https://www.ajouronline.com/index.php/AJAS/article/view/3660.