?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Hagen&rft.aufirst=Unni.&rft.au=Hagen%2C+Unni.&rft.degree=Doctoral&rft.tpages=332&rft.title=Heads+negotiating+school+based+management+in+the+1990s+%3A+Russian%2C+Norwegian+and+Scottish+stories+of+change&rft.inst=Institute+of+Education%2C+University+of+London&rft.date=2006