00443nam a2200145Ia 4500008004100000020001800041041000800059082001600067100002000083245011200103250000600215260004200221300001300263650002100276210716s2006    xx            000 0 und d  a9780199283873  aeng  a338.04 NICA  aNicholls, Alex.  aSocial entrepreneurship: new models of sustainable social change.bNew models of sustainable social change.  a1  aOxfordbOxford University Pressc2006  axlix,448  aEntrepreneurship