Akhtar, R. (1980). Environment, agriculture and nutrition in Kumaon region. Marwah Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAkhtar, Rais. Environment, Agriculture and Nutrition in Kumaon Region. Marwah Publications, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAkhtar, Rais. Environment, Agriculture and Nutrition in Kumaon Region. Marwah Publications, 1980.
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