Abdelwahab Sharaw, Adil, Tagwa Basheer Ahmed, and Zakaria Anwar Zakaria. “Biogas Production from Water Hyacinth”. University of Khartoum Engineering Journal 8, no. 1 (October 5, 2022). Accessed September 1, 2025. https://uofkej.uofk.edu/index.php/uofkej/article/view/222.