Heidi I.G. Abo-Elnaga, A.A. Mohamed, M.M. El-Fawy, and A.M. Amein. “Influence of Certain Animal Manures on Incidence of Stem Canker and Black Scurf Disease on Potato”. Journal of Basic & Applied Sciences 8, no. 1 (January 5, 2012): 231–237. Accessed July 7, 2024. http://set-publisher.com/index.php/jbas/article/view/711.