Howlett, Michael Studying public policy : policy cycles and policy subsystems / Michael Howlett, M. Ramesh and Anthony Perl - 3rd ed. - New Delhi : Oxford University Press, c2009. - xi, 298 p. : ill. ; 23 cm. ISBN: 9780195428025 LCCN: Subjects--Topical Terms: Policy sciences LC Class. No.: H97 / .H69 2009 Dewey Class. No.: 320.6 / H865s