Ahmed Hussen. Principles of environmental economics / Ahmed Hussen. - 2nd ed. - London : Routledge, 2004. - 344 p. ; 24 cm. ISBN: 0415275601 Subjects--Topical Terms: Environmental economic. LC Class. No.: 338.927 / HUS Dewey Class. No.: 338.927 / HUS [ Shelf 76]