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)
Fox, Jefferson; Castella, Jean-Christophe; Ziegler, Alan D.(CGIAR Research Program on Climate Change, Agriculture and Food Security (CCAFS), Copenhagen, Denmark, 2011)