McCarthy, Nancy; Dutilly-Diane, Celine; Drabo, Boureima(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2002)
Poteete, Amy; Ostrom, Elinor(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2003)