Leitão, R.A., Paiva, P.C. de A. and Rezende, C.A.P. de 2007. NUTRITIVE VALUE OF COFFEE (Coffea arabica L.) HULLS TREATED WITH SODIUM HYDROXIDE AND/OR UREA SUPPLEMENTED WITH ALFALFA (Medicago sativa L.) HAY. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]. 35, 1 (Nov. 2007), 31–36.