Kartha, K. P. R. (1938). Milk records of cattle in approved dairy farms in India. Manager of publication.
Chicago Stili AlıntıKartha, K P R. Milk Records of Cattle in Approved Dairy Farms in India. New Delhi: Manager of publication, 1938.
MLA AlıntıKartha, K P R. Milk Records of Cattle in Approved Dairy Farms in India. Manager of publication, 1938.
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