Mwangi, Esther; Dohrn, Stephan(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2006)
Dahal, Ganga Ram; Adhikari, Krishna Prasad(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, USA, 2008)