Department of Economics Sociology and Management, University of Trás-os-Montes e Alto Douro & CETRAD Research Center, 5000 Vila Real, Portugal.
ESTG, Polytechnic of Porto, 4610 Felgueiras, Portugal.
Prof. Dr. Anderson Galvão
Department of Economics Sociology and Management, University of Trás-os-Montes e Alto Douro & CETRAD Research Center, 5000 Vila Real, Portugal.
ESTG, Polytechnic of Porto, 4610 Felgueiras, Portugal.