Barella, Cesar Falcão http://orcid.org/0000-0001-6005-9125
Sobreira, Frederico Garcia
Zêzere, José Luís
Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (BEX 12270/13-0)
Article History
Received: 22 December 2017
Accepted: 2 July 2018
First Online: 1 August 2018