Innovation and entrepreneurship: Practice and principles Publication Routledge Date Published 01/01/1985 Authors Drucker, P. F. Share on Social Media Social/li Created with Sketch. Twitter, Social/fb Created with Sketch. Facebook, Social/Twitter Created with Sketch. LinkedIn Read More Publication Routledge Date Published 01/01/1985 Authors Drucker, P. F. Share on Social Media Social/li Created with Sketch. Twitter, Social/fb Created with Sketch. Facebook, Social/Twitter Created with Sketch. LinkedIn