00551nam a2200121Ia 4500008004100000100001600041245011800057245002800175260000900203300002500212440003800237650015400275171207s9999    xx            000 0 und d  aEri, Thomas 4aThe challenge of sustaining change: contradictions within the development of teacher and librarian collaboration   cThomas Eri & Joron Pihl  c2017  apages 239-255,  2017  aEducational Action Researchv25:2  aTeacher and librarian collaboration, contradictions, cultural–historical activity theory, critical pedagogy, expansive learning, literacy education