Economic Incentives for Watershed Protection: A report on an ongoing study of Arenal, Costa Rica 01 January 1995
Policy issues and options concerning linkages between the tropical timber trade and sustainable forest management 01 January 1993
Economic value of species information and its role in biodiversity conservation: Costa Rica's national biodiversity institute 01 January 1993
What is biodiversity worth to a developing country? Capturing the pharmaceutical value of species information 01 January 1992
Environmental management and development in the South: prerequisites for sustainable development 01 January 1991
Economics of controlling degradation: rehabilitating gum arabic systems in Sudan, The 01 January 1990