1. 2002. Farmer-led soil conservation initiative in a developing country setting: the case of the Claveria Land Care Association in Claveria, Misamis Oriental, Philippines. PhD dissertation, Michigan State University: MI.
2. 1985. The Political Economy of Soil Erosion in Developing Countries. Longman: London and New York, NY.
3. Social Capital and Community Governance
4. 1994. Landcare: Communities Shaping the Land and the Future. Allen and Unwin: Sydney.
5. . 2000. Community Landcare, the National Landcare Program and the Landcare Movement: The Social Dimensions of Landcare. Bureau of Rural Sciences: Canberra.