Economic analysis of forestry projects /
prepared by Hans M. Gregersen and Arnoldo H. Contreras
- Rome : Food and Agriculture Organization of the United Nations, 1979
- v. : ill. ; 28 cm.
- FAO forestry paper ; 17/sup.1-2 .
Includes bibliographical references
Supplement 1. : Case studies/ Policy and Planning Service, Forestry Department.-- Supplement 2. : Readings/ Policy and Planning Service, Forestry Department