Abdulfatah, S., Musa, M., Dayyabu, I. and Adamu, I. (2022) “PRODUCTION OF BIOGAS FROM CO-DIGESTION OF COW DUNG, CHICKEN DROPPING AND COW RUMEN WASTES”, FUDMA JOURNAL OF SCIENCES, 5(4), pp. 413 - 417. doi: 10.33003/fjs-2021-0504-844.