%0 Journal Article %T The Permanent Importance of the Subjective Reality of Teachers During Educational Innovation: A Concerns-Based Approach: %A van den Berg, Rudolf %A Ros, Anje %J American Educational Research Journal %V 36 %N 4 %P 879-906 %@ 0002-8312 %D 2016-06-23 %I SAGE Publications %~ DeepDyve