External links

National

• Sociedade Portuguesa de Matemática
• Sociedade Portuguesa de Estatística
• Ordem dos Economistas

International

• European Mathematical Society: Zentralblatt*
• American Mathematical Society : Math on the Web, MathSciNet*
• American Statistical Association
• American Economic Association
• European Economic Association
• Econometric links
• Econometric Society
• Royal Economic Society
• Royal Statistical Society

Journals and Archives

• Science* magazine
• Portugaliae Mathematica
• Preprint archives: arXiv, RePEc

Other

• ISI Web of Knowledge*
• ISI Journal Citation Reports*
• Rankings of research in Economics
• B-On, Mathworld, PlanetMath, Wikipedia: The Mathematics portal, Google scholar, Amazon
• Researcher's mobility portal
• Libraries: UTL, ISEG
• Arquivo Escolar