“PRODUCTION OF BIOGAS FROM CO-DIGESTION OF COW DUNG, CHICKEN DROPPING AND COW RUMEN WASTES”. FUDMA JOURNAL OF SCIENCES 5, no. 4 (February 21, 2022): 413–417. Accessed September 1, 2025. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/844.