Place, Frank; Kariuki, Gatarwa; Wangila, Justine; Kristjanson, Patti; Makauki, Adolf; Ndubi, Jessica(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2002)
Nielsen, Melanie; Hoogvorst, Anneke; Konradsen, Flemming; Mudasser, Muhammad; Van Der Hoek, Wim(International Water Management Institute, Colombo, Sri Lanka, 2001)
Swallow, Brent M.; Wangila, Justine; Mulatu, Woudyalew; Okello, Onyango; McCarthy, Nancy(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2000)