Shiferaw, Bekele; Obare, Gideon; Muricho, Geoffrey(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2006)
Kaganzi, Elly; Ferris, Shaun; Barham, James; Abenakyo, Annet; Sanginga, Pascal; Njuki, Jemimah(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, USA, 2008)