Meinzen-Dick, Ruth; Di Gregorio, Monica(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washingto , DC, USA, 2004)
Komarudin, Heru; Siagian, Yuliana L.; Colfer, Carol J. Pierce(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2008)