Sudhir Pradhan. (2015). Organic farming for improving the fertility of soil. Gene-Tech Books.
Chicago Stili AlıntıSudhir Pradhan. Organic Farming for Improving the Fertility of Soil. New Delhi: Gene-Tech Books, 2015.
MLA AlıntıSudhir Pradhan. Organic Farming for Improving the Fertility of Soil. Gene-Tech Books, 2015.
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