RAO, P. (1990). Manufacturing technology: Foundry, forming and welding. Tata McGraw Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRAO, P.N. Manufacturing Technology: Foundry, Forming and Welding. New Delhi: Tata McGraw Hill, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRAO, P.N. Manufacturing Technology: Foundry, Forming and Welding. Tata McGraw Hill, 1990.
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