Cavalcanti, Clóvis. “Economic Nature of a Natural Catastrophe: Characteristics and Impact of the 1979-80 Northeastern Drought”. Brazilian Journal of Political Economy 6, no. 1 (January 1, 1986): 85-100. Accessed July 22, 2024. https://centrodeeconomiapolitica.org/repojs/index.php/journal/article/view/1782.