Methods in Longitudinal School Improvement ResearchTobias Feldhoff, Falk Radisch, Eckhard Klieme, Allan Walker, Phillip Hallinger · First published 2014Open the Tome
State of the ArtTobias Feldhoff, Falk Radisch, Eckhard Klieme, Allan Walker, Phillip Hallinger · First published 2014Open the Tome
