Huber, Stephan GerhardStephan GerhardHuber2019-09-192015-07-131997https://fis.uni-bamberg.de/handle/uniba/32217engDovetailing school effectiveness and school improvement : towards a model of the educational improvement and effectiveness landscape ; paper prepared for the European Conference on Educational Research 97, Frankfurt/Main, 24 - 27 September 1997conferenceobject