v13n1a01.pdf https://digigov.cepese.pt/portal/pt/publicacoes/obras/volume-13-number-1-june-2015/artigos/v13n1a01.pdf/view https://digigov.cepese.pt/portal/@@site-logo/CEPESE+home.png v13n1a01.pdf v13n1a01.pdf — 391 KB