%0 Journal Article %T Leading Coherent Professional Development: A Comparison of Three Districts %A Firestone, William A. %A Mangin, Melinda M. %A Martinez, M. Cecilia %A Polovsky, Terrie %J Educational Administration Quarterly: The Journal of Leadership for Effective & Equitable Organizations %V 41 %N 3 %P 413-448 %@ 0013-161X %D 2005-08-01 %I Sage Publications %~ DeepDyve