Panabokke, Chris R.; Ariyaratne, B. Ranjith; Seneviratne, Anoja; Wijekoon, Deepthi; Molle, François(International Water Management Institute, Colombo, Sri Lanka, 2007)
Sumelius, John; Grgic, Zoran; Mesic, Milan; Franic, Ramona(Sustainable Agriculture in Central and Eastern European Countries (CEESA), Berlin, Germany, 2002)
Mienzen-Dick, Ruth; Chaturvedi, Rahul; Domènech, Laia; Ghate, Rucha; Janssen, Marco A.; Rollins, Nathan; Sandeep, K.(Center for the Study of Institutional Diversity, Tempe, AZ, 2014)