Padmanabhan, Martina Aruna(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2006)
Theesfeld, Insa(Central and Eastern European Sustainable Agriculture (CEESA), Humboldt University of Berlin, Department of Agricultural Economics and Social Sciences, Berlin, Germany, 2001)
Ahn, Toh-Kyeong; Ostrom, Elinor; Schmidt, David; Shupp, Robert; Walker, James M.(Workshop in Political Theory and Policy Analysis, Indiana University, Bloomington, IN, 1999)