ASSAN, N. . Opportunities and challenges in enhancing food production and security in the context of climate change effects in sub Saharan Africa. Scientific Journal of Pure and Applied Sciences, [S. l.], v. 3, n. 11, p. 881-891, 2014. Disponível em: http://sjournals.com/index.php/sjpas/article/view/531. Acesso em: 13 apr. 2021.