Public Policy Theories Models And Concepts An Anthology: Edted By Daniel C Mccool/ - Englewood Cliffs : Prentice Hall: 1995. - 412p 23cm. - Fao Irrigation And Drainage Paper No. 1 Rev. 1 . Eng ISBN: 013737867X (Pbk): Usd40.00 LC Class. No.: H97 PUB 1995