Melvyn Kay. (2000). International programme for technology and research in irrigation and drainage; Knowledge synthesis report N.1/Oct. 2000: Treadle pumps for irrigation in Africa. Rome: FAO.
Chicago-tyylinen lähdeviittausMelvyn Kay. International Programme for Technology and Research in Irrigation and Drainage; Knowledge Synthesis Report N.1/Oct. 2000: Treadle Pumps for Irrigation in Africa. Rome: FAO, 2000.
MLA-viiteMelvyn Kay. International Programme for Technology and Research in Irrigation and Drainage; Knowledge Synthesis Report N.1/Oct. 2000: Treadle Pumps for Irrigation in Africa. Rome: FAO, 2000.
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