Howlett, Michael Studying public policy : policy cycles and policy subsystems / Michael Howlett, M. Ramesh, Anthony Perl. - 3a ed. - Ontario, Canada : Oxford University Press, 2009 - vii, 298 p. ; 23 cm. Bibliografia : p. 216-291 Incluye índice ISBN: 9780195428025 Subjects--Topical Terms: Administración LC Class. No.: H97 / H68 2009