OPARAKU, N. F.; OFOMATAH, A. C; OKOROIGWE, E. C. Biodigestion of cassava peels blended with pig dung for methane generation. African Journal of Pig Farming, [S. l.], v. 1, n. 1, p. 23 – 27, 2013. Disponível em: https://elixirpublishers.in/index.php/ajpf/article/view/615. Acesso em: 14 may. 2025.