Crabbe, Ann. The handbook of environmental policy evaluation / Ann Crabbe & Pieter Leroy. - London : Earthscan, c2008. Includes references & index. ISBN: 9781844076185 (hbk.) LCCN: 2008018437 Subjects--Topical Terms: Environmental policy--Evaluation. LC Class. No.: GE170 / .C73 2008 Dewey Class. No.: 333.7 / CRA