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Southern Portugal in the 1990s : a European investment region
Williams, Allan M., (1992)
The Portuguese economy since 1974
Corkill, David, (1993)
North and Central Portugal in the 1990s : a European investment region
Gaspar, Jorge, (1991)
Business cycles in a small open economy
Correia, Isabel Horta, (1994)
Princípios de economia política
Neves, João César das, (1997)
Market and common good
Neves, João César das, (2012)