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Yardımcı Kaynaklar
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The Citrus Industry Vol: 1,2,3,4,5, Walter Reuther, H.J. Webber, L.D. Batchelor, University of California, California, 1967-1968-1969
• Citrus. F.S. Davies ve L.G. Albrigo, Crop Protection Science in Horticulture, No: 2, CAB International, Redwood Books, Trowbridge, Wiltshire, UK. 1994.
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