KASSIE, G. T.; LANGYINTUO, A. .; ERENSTEIN, O. .; MALENI, D. .; GWARA, S. .; ABATE, T. . Drought Risk and Maize Production in Southern Africa. Journal of Asian Scientific Research, [S. l.], v. 3, n. 10, p. 956–973, 2013. Disponível em: https://archive.aessweb.com/index.php/5003/article/view/3548. Acesso em: 3 jul. 2024.