Apel, Heino Adult environmental education : A handbook on context and methods / Heino Apel [and] Anne Camozzi. - German : Institute of International Cooperation, 1996 - 179 p. : ill. ; 21cm. - Adult education and development, 47. . ISBN: 03427633 Subjects--Topical Terms: Adult education. Dewey Class. No.: 374.043 / APE