COMPARATIVE STUDIES ON MANUAL,ANIMAL DRAWN,TWO WHEEL TRACTOR AND FOUR WHEEL TRACTOR OPERATED TILLAGE OPERATION IN SWAZILAND
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- 한국농업기계학회:학술대회논문집
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- 한국농업기계학회 1993년도 Proceedings of International Conference for Agricultural Machinery and Process Engineering
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- pp.1013-1025
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- 1993