Experimental investigation of biogas production from feedlot cattle manure. Journal of Energy in Southern Africa, [S. l.], v. 28, n. 4, 2017. DOI: 10.17159/2413-3051/2017/v28i4a1753. Disponível em: https://energyjournal.africa/article/view/4160. Acesso em: 23 nov. 2024.