L. N. de Paula, A. H. P. de Souza, I. C. Moreira, A. K. Gohara, A. F. de Oliveira, e L. F. Dias, “<b>Calcium fortification of roasted and ground coffee with different calcium salts”, Acta Sci. Technol., vol. 36, nº 4, p. 707–712, set. 2014.