Elisha Ugoma, V., Igbinoba, S. and Imanze, K. (2026) “Effect of Copper Suplementation on Biogas Yield from Co-Digestion of Cattle Dung and Jatropha Curcas Fruit Coat”, FUDMA JOURNAL OF SCIENCES, 10(11), pp. 1–7. doi:10.33003/fjs-2026-1011-5194.