Income Generation from Biofuel: Opportunities and Challenges for Poor Farmers in South Africa. African Journal of Governance and Development, [S. l.], v. 1, n. 1, p. 28–38, 2011. Disponível em: https://ajgd.journalofgovernance.com/index.php/ajgd/article/view/135.. Acesso em: 10 jan. 2025.