Rodgers, Dennis; Beall, Jo; Kanbur, Ravi(United Nations University--World Institute for Development Economics Research (UNU-WIDER), Helsinki, Finland, 2011)
Knox, Anna; Swallow, Brent M.; Johnson, Nancy(Programa para Todo el Sistema del CGIAR Sobre Acción Colectiva y Derechos de Propiedad (CGIAR System-wide Program on Property Rights and Collective Action), International Food Policy Research Institute, Washington, DC, 2001)