Portugal's semi-presidentialism (re)considered: An assessment of the president's role in the policy process, 1976-2006
NETO, OCTAVIO AMORIM ; LOBO, MARINA COSTA
European journal of political research, 2009-03, Vol.48 (2), p.234-255 [Periódico revisado por pares]Oxford, UK: Blackwell Publishing Ltd
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