Baland, Jean-Marie; Francois, Patrick(Leverhulme Centre for Market and Public Organisation, Department of Economics, University of Bristol, Bristol, United Kingdom, 2003)
Shiferaw, Bekele; Kebede, Tewodros; Reddy, V. Ratna(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2008)
Knox, Anna; Swallow, Brent M.; Johnson, Nancy(CGIAR System-Wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2001)
Ngakan, Putu Oka; Achmad, Amran; Wiliam, Dede; Lahae, Kahar; Tako, Achmad(Center for International Forestry Research (CIFOR), Bogor Barat, Indonesia, 2005)
Bromley, Daniel W.(Center for Resource Policy Studies, School of Natural Resources, College of Agriculture and Life Sciences, University of Wisconsin, Madison, WI, 1982)