Mancal, A., P. V. P. S. Lima, A. S. Khan, and M. I. de O. Mayorga. “Waiting for the Coming Drought: Adaptive Capacity in Rural Communities of the Brazilian Semiarid”. Brazilian Journal of Population Studies, vol. 33, no. 2, Nov. 2016, pp. 257-81, doi:10.20947/S0102-30982016a0012.