Al Umairi, A. R., H. Al Amri, A. Al Kalbani, A. H. Al Hadidi, and M. Al Hashami. “Biogas Production from Cow Manure Using an Anaerobic Digestion Technique”. Proceedings of the International Conference on Civil Infrastructure and Construction (CIC), vol. 2023, no. 1, Aug. 2023, pp. 1484-90, doi:10.29117/cic.2023.0184.