HAO, Jianjun et al. Effects of cow manure ratios on methane production and microbial community evolution in anaerobic co-digestion with different crop wastes. International Journal of Agricultural and Biological Engineering, Beijing, China, v. 15, n. 5, p. 219–228, 2022. Disponível em: https://www.ijabe.org/index.php/ijabe/article/view/7148. Acesso em: 29 jan. 2026.