Emma Opara, Nwankwo Maxwell, and Emma Opara. “The Role of Virus Vectors in Orange Fleshed Sweetpotato Genotypes Infection - A Case Study”. Global Journal of Science Frontier Research 15, no. D2 (January 15, 2015): 1–7. Accessed May 2, 2024. https://journalofscience.org/index.php/GJSFR/article/view/1497.