FAO. (2001). International Programme for Technology and Research in Irrigation and Drainage(IPTRID); N3: Smallholder irrigation technology: prospects for sub-Saharan Africa. Rome: FAO.
Chicago-tyylinen lähdeviittausFAO. International Programme for Technology and Research in Irrigation and Drainage(IPTRID); N3: Smallholder Irrigation Technology: Prospects for Sub-Saharan Africa. Rome: FAO, 2001.
MLA-viiteFAO. International Programme for Technology and Research in Irrigation and Drainage(IPTRID); N3: Smallholder Irrigation Technology: Prospects for Sub-Saharan Africa. Rome: FAO, 2001.
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