Emtairah, Tareq; Echavarria, Marta; Hamann, Ralph(United Nations Environment Programme Finance Initiative (UNEP FI); Stockholm International Water Institute (SIWI), Sweden, 2005)
Inocencio, A.; Kikuchi, Masao; Tonosaki, Manabu; Maruyama, Atsushi; Merrey, Douglas J.; Sally, Hilmy; De Jong, Ijsbrand(International Water Management Institute, Colombo, Sri Lanka, 2007)
Johnson, Nancy; Suarez, Ruth; Lundy, Mark(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2002)