Schmithusen, Franz(Chair of Forest Policy and Economics, Department of Environmental Sciences, Eidgenoessische Technische Hochschule (ETH) Zurich, 2004)
Narrod, Clare; Roy, Devesh; Okello, Julius; Avendano, Belem; Rich, Karl(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2007)
Place, Frank; Otsuka, Keijiro(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2000)
International Bank for Reconstruction and Development/The World Bank(The International Bank for Reconstruction and Development/The World Bank, Washington, DC, 2009)