The Effects of Scales, Flows and Filters on Property Rights and Collective Action in Watershed Management.. CAPRi Working Paper No. 16. :35.. 2001.
The Fate of Organic Matter and Nutrients in Agroforestry Systems.. Soil organic matter management for sustainable agriculture in Asia: a workshop held in Ubon, Thailand, 24-26 August 1994. :27.. 1995.
Institutional,Deficit, Representation, and Decentralized Forest Management in Cameroon.. Environmental Governance in Africa.. :68.. 2004.
Issues in Community Resource Management In Northern Mindanao.. Southeast Asia Policy Research Working Paper No. 19.. :77.. 2001.
Los Bosques Tropicales y los Servicios Ambientales. Acaso los árboles impiden ver el Terreno? Agriculture, Ecosystems & Environment. 104(1):185-228.. 2004.
Markets, Policies, and Institutions in NTTP Trade: Nothing is Perfect.. Domestication and Commercialization of Non-timber Forest Products in Agroforestry Systems... 1996.
New Face for Traditional Commons: Forest Conversion and the Redefinition of Common Property and Individual Rights through Agroforest Development in Sumatra, Indonesia.. Paper presented at Vth Conference of the International Association for the Study of Common Property Resources, at Bodo, Norway. :1-13.. 1995.
Opportunities and Limitations for Agroforestry Systems in the Highlands of North Thailand.. Proceedings of a workshop on "Highland Farming: Soil and the Future?", 21-22 December,1995, Chiang Mai, Thailand. :1-19.. 1996.
A Participatory Approach for Tree Diversification in Cocoa Farms: Ghanaian Farmers’ Experience.. STCP Working Paper Series Issue 9. :29.. 2008.
A Profitability Assessment of Robusta Coffee Systems in Sumberjaya Watershed, Lampung, Sumatra, Indonesia.. Southeast Asia Policy Research Working Paper . :62.. 2000.