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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCommission, India. Planning. Energy and Power for Development. The author, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCommission, India. Planning. Energy and Power for Development. The author, 1971.
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