3Heidi Armbruster,Andrea Bikfalvi,Steffen Kinkel,Gunter Lay.Organizational innovation: The challenge of measuring non-technical innovation in large-scale surveys[J].Technovation.2008(10)
4Massimiliano Mazzanti,Paolo Pini,Ermanno Tortia.Organizational innovations, human resources and firm performance[J].Journal of Socio-Economics.2005(1)