Has DRG payment influenced the technical efficiency and productivity of diagnostic technologies in portuguese public hospitals? : an empirical analysis using parametric and non-parametric methods / Clara Elizabeth Dismuke e Vania Sena
Financial Analysis with microsoft excel / Timothy R. Mayes e Todd M. Shank
Manual de análise de projectos de investimento / António José Maia Araújo
Análise económica e financeira de projectos / Fernando Abecassis e Nuno Cabral