Jackson, J. K. United Nations University text Tokyo, Japan New York, NY, USA United Nations University Unipub [distributor] c1984 monographic v, 97 p. : ill. ; 29 cm. edited by J.K. Jackson. Includes bibliographies. Agroforestry Congresses S494.5.A45 S63 1984 634.9 9280805029 85186045 UOEL 000 20150323160649.0 978636