00845nam0-22002771i-450-99000554961020331620080327120000.0000554961USA01000554961(ALEPH)000554961USA0100055496120080327d1992-------|0enac50------baengGB|||| |||||National systems of innovationtowards a theory of innovation and interactive learningedited by Bengt-Ake LundvallLondonNew YorkPinter1992XIII, 342 p.graf.24 cm.ITSOL20120104990005549610203316DIP.TO SCIENZE ECONOMICHE - (SA)DS2008 1E 20080327BKDISES20121027USA011533National systems of innovation256879UNISA