Tulin, A. B. (2008). Application of macro and micronutrients increases purple yam yield. Agriculture.
Chicago Style (17. basım) AtıfTulin, Anabella B. "Application of Macro and Micronutrients Increases Purple Yam Yield." Agriculture 2008.
MLA (9th ed.) AtıfTulin, Anabella B. "Application of Macro and Micronutrients Increases Purple Yam Yield." Agriculture, 2008.
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