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Worker control in Portugal : the revolution and today
Hammond, John L., (1981)
Sobre a participação dos trabalhadores na empresa : estudo para reflexão sobre um tema quo toma espaço na vida social portuguesa
Ferreira Ribeiro, Sergio, (1974)
A reforma da empresa
Gonçalves da Silva, Fernando V., (1968)
An improved solution algorithm for the constrained shortest path problem
Santos, Luis, (2007)
CDM Projects under the Kyoto Protocol: A Methodology for Sustainability Assessment – Experiences from South Africa and Uruguay
Heuberger, Renat, (2007)
Monitoring Urban Quality of Life: The Porto Experience