HOWLETT, Michael Studying public policy : policy cycles and policy subsystems / Michael HOWLETT & M. RAMESH - Oxford : Oxford University Press, 1995 - 239 p. ; 23 cm. ISBN: 019540976 Subjects--Topical Terms: Ciències polítiques Index Terms--Genre/Form: POLÍTICAPOLÍTICA GUBERNAMENTAL Universal Decimal Class. No.: 304.9:364.4