Macêdo, K. G. de, J. B. Oliveira, F. D. D. Arraes, W. L. Viana Torres, and J. C. Lima Junior. “ESTIMATE OF GLOBAL SOLAR RADIATION WITH AIR TEMPERATURE DATA IN SIX CITIES OF THE CEARÁ STATE, BRAZIL”. Engineering in Agriculture, vol. 24, no. 1, May 2016, pp. 68-75, doi:10.13083/reveng.v24i1.612.