SALLAI, L. Biogas experiments with pig slurry and wheat processing residues. Review on Agriculture and Rural Development, [S. l.], v. 1, n. 1. suppl., p. 418–423, 2012. Disponível em: https://ojs.bibl.u-szeged.hu/index.php/rard/article/view/13243. Acesso em: 2 may. 2024.