El-Sayed, S. F., H. A. Hassan, M. M. El-Mogy, and A. Abdel-Wahab, "Growth, Yield and Nutrient Concentration of Potato Plants Grown under Organic and Conventional Fertilizer Systems", American-Eurasian J. Agric. & Environ. Sci., vol. 14, issue 7 , pp. 636-643 , Submitted. 10.pdf
EL-Sayed, S. F., M. A. El-Helaly, M. S. Emam, and M. A. Abd El-Ghaffar, "Effect of Some Post-Cold Storage Treatments on Shelf Life of Sweet Potato Roots", Journal of Horticultural Science & Ornamental Plants, vol. 5, issue 3 , pp. 160-170, Submitted. sweet_potato_research_1.pdf
Tourism