Adam, Yahia Omar, Jürgen Pretzsch, and Davide Pettenella. “An Analytical Framework for Assessing the Effect of Income from Non-Timber Forest Products on Poverty Alleviation in Savannah Region, Sudan”. University of Khartoum Journal of Agricultural Sciences 21, no. 1 (March 28, 2023). Accessed April 4, 2025. http://onlinejournals.uofk.edu/index.php/uofkjas/article/view/1861.