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The citrus industry in Palestine
Powell, Harold Clark - 1928
Persistent link: https://www.econbiz.de/10003442401
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The co-operative organisation of agriculture
Powell, Harold Clark - 1926
Persistent link: https://www.econbiz.de/10002667749
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The citrus industry in Palestine
Powell, Harold Clark - Palästina / Department of Agriculture and Forests - 1928
Persistent link: https://www.econbiz.de/10012817033
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The co-operative organisation of agriculture
Powell, Harold Clark - 1926
Persistent link: https://www.econbiz.de/10012314468
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The economic importance of the citrus industry in South Africa
Powell, H. Clark - 1933
Persistent link: https://www.econbiz.de/10002667563
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The use of zinc sulphate in controlling mottle leaf of citrus trees
Powell, H. Clark; Mathews, I. - 1936
Persistent link: https://www.econbiz.de/10002667810