Gupta, D., Laxminarayan, h., Malik, R., & Rangaswamy, p. (1981). Impact of harvest combines on labour use croppattern and productivity. Agricole publishing Academy.
シカゴスタイル引用形Gupta, D.P, h. Laxminarayan, R.P.S Malik, , p. Rangaswamy. Impact of Harvest Combines on Labour Use Croppattern and Productivity. New Delhi: Agricole publishing Academy, 1981.
MLA引用形式Gupta, D.P, et al. Impact of Harvest Combines on Labour Use Croppattern and Productivity. Agricole publishing Academy, 1981.
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