Knox, Anna; Swallow, Brent M.; Johnson, Nancy(CGIAR System-Wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2001)
Hukkinen, Janne; Müller-Wille, Ludger; Heikkinen, Hannu(Department of Civil and Environmental Engineering, Laboratory of Environmental Protection Publication, Helsinki University of Technology, 2003)
Awulachew, Seleshi Bekele; Merrey, Douglas J.; Kamara, Abdul; Van Koppen, Barbara; Penning de Vries, F.W.T.; Boelee, Eline(International Water Management Institute, Colombo, Sri Lanka, 2005)
Batchelor, Charles; Cain, Jeremy; Farquharson, Frank; Roberts, John(System-Wide Initiative on Water Management (SWIM), International Water Management Institute, Colombo, Sri Lanka, 1998)
Shah, Tushaar; Van Koppen, Barbara; Merrey, Douglas J.; de Lange, Marna; Samad, Madar(International Water Management Institute (IWMI), Colombo, Sri Lanka, 2002)