Singh, G., & Gian, S. (1986). Economic Conditions of Agricultural Labourers and Marginal Farmers. R.B. Pubs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, Gian, और Singh Gian. Economic Conditions of Agricultural Labourers and Marginal Farmers. R.B. Pubs, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingh, Gian, और Singh Gian. Economic Conditions of Agricultural Labourers and Marginal Farmers. R.B. Pubs, 1986.
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