^ Yapa et al 2020, http://ejournal.ukm.my/gmjss/article/view/41236
^ Compare: "irrigation". Oxford English Dictionary (1st ed.). Oxford University Press. 1933. "irrigation - [...] The action of supplying land with water by means of channels or streams; the distribution of water over the surface of the ground, in order to promote the growth and productiveness of plants."
^ Claessen, H J M; Skalník, Peter, eds. (1978). The Early state. New Babylon, studies in the social sciences. Vol. 32. Walter de Gruyter. p. 11. ISBN 978-90-279-7904-9. Retrieved 2012-03-21. [...] the effective management of large volumes of water made an efficient organization indispensable. Once this organization existed, a 'hydraulic economy', characterized by the division of labor, intensive cultivation and cooperation on a large scale [...], and in which the state eventually assumed the managerial role, inevitably developed.
^ Jump up to:a b Effectiveness and Social/Environmental Impacts of Irrigation Projects: a Review. In: Annual Report 1988, International Institute for Land Reclamation and Improvement (ILRI), Wageningen, The Netherlands, pp. 18 - 34 . Download from web page : [1] , under nr 10, or from : [2] , under nr. 6 , or directly as PDF : [3]
^ Bruce Sundquist, 2007. Chapter 1- Irrigation overview. In: The earth's carrying capacity, Some related reviews and analysis. On line: "Archived copy". Archived from the original on 2012-02-17. Retrieved 2012-02-17.
^ Jump up to:a b The World Bank, Cost Recovery and Water Pricing for Irrigation and Drainage Projects. Agriculture and Rural Development Discussion Paper 26, on line: [4]
^ Jump up to:a b Svendsen, M., Trava, J. and S.H. Johnson III. 1997. “Participatory Irrigation Management: Benefits and Second Generation Problems.” International Irrigation Management Institute, Colombo, Sri Lanka.
^ Govt. of the People’s Republic of Bangladesh. 2000. “National Water Management Plan Project.” Draft Development Strategy, Vol. 5. Ministry of Water Resources. Dhaka.
^ Azevedo, L.G.. 1997. “Brazil.” In Water Pricing Experiences An International Perspective, ed. A. Dinar and A. Subramanian. Technical Paper Number 386, World Bank, Washington, D.C.
^ Dinar, A. and Mody, J. 2004. “Irrigation water management policies: Allocation and pricing principles and implementation experience” Natural Resources Forum 28 (2) 112.
^ Easter, K. W. 1993. “Economic Failure Plagues Developing Countries’ Public Irrigation: An Assurance Problem.” Water Resources Research 29(7): 1913-22.
^ Palacios, E.V. 1999.Benefits and Second Generation Problems of Irrigation Management Transfer in Mexico. Economic Development Institute Participatory Irrigation Management Case Studies Series, Economic Development Institute, World Bank and Irrigation Water Management Institute.
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