1. Angelsen, A., & Wunder, S. (2003). Exploring the poverty-forest link: Key concepts, issues and research implications. Occasional Paper No. 40. Center for International Forestry Research, Bogor.
2. Anselin, L. (1999). SpaceStat Version 1.80 User Guide, Urbana Champaign.
3. Arnold, M. (2001). Forestry, poverty and aid. Occasional Paper No. 33(E). Center for International Forestry Research, Bogor.
4. Rethinking rural development;Ashley;Development Policy Review,2002
5. Rain forest livelihoods: income generation, household wealth and forest use;Barham;Unasylva,1999