Ahmed, D. E. E., and A. Dawoud. “The Effect of Technology Transfer on Farmers’ Crop Productivity and Returns in Bargei Village of Central Darfur State-Sudan”. GPH-International Journal of Agriculture and Research, Vol. 3, no. 11, Nov. 2020, pp. 01-07, https://gphjournal.org/index.php/ar/article/view/334.