Product Certification and Portugal's Construction Industry Goal is to improve competitive position in European Union P. Saraiva A. Tadeu J. Orey Joäo Rosa Publication Journal: Quality Progress Year of Publication: 1999 Volume: 32 Issue: 4 Pagination: 107-114 Identifiers Other Numbers: 2-s2.0-33744943735 Alternative titles Google ScholarBibTeXRIS Locators