TY - BOOK AU - Sabatier,Paul A. AU - Jenkins-Smith,Hank C. TI - Policy change and learning: an advocacy coalition approach T2 - Theoretical lenses on public policy SN - 0813316480 AV - H97 .P642 1993 U1 - 320.6 PY - 1993/// CY - Boulder PB - Westview KW - Policy sciences KW - Political planning ER -