Resume
This work is cataloged in the Scientific Portal. Officially published in Revista Eixo (2017). Referenced as: "Godinho, Antonio Lencastre; Guimarães, Ana Paula; Oliveira, Carlos Miguel; Moreira, Jose Joaquim; Teixeira, Manuel Pinto".
The complete abstract and full text can be accessed directly at the official DOI: https://doi.org/10.5585/riae.v15i1.2250