ETERIGHO, E.; FARROW, T. S. Agriculture by-product: A Source for the Production of Biogas. Asian Journal of Engineering and Technology, [S. l.], v. 3, n. 2, 2015. Disponível em: https://ajouronline.com/index.php/AJET/article/view/2364. Acesso em: 22 may. 2022.