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Gazele de şist: Între nevoi energetice şi standarde de mediu
Papatulică, Mariana, (2015)
State aid control in the sensitive sectors: Coal, steel, shipbuilding, motor vehicles
Oprescu, Gheorghe, (2004)
The required directions for EU's institutional development (deepening) related to its horizontal development (enlarging)
Fudulu, Paul, (2005)