%0 Journal Article %T Measuring Implementation of a Structured Educational Model in an Urban School District: An Observational Approach %A Gersten, Russell M %A Carnine, Douglas W %A Williams, Paul B %J Educational Evaluation and Policy Analysis %V 4 %N 1 %P 67-79 %@ 0162-3737 %D 1982-03-01 %I Sage Publications %~ DeepDyve