Jain, R. (2019). Mechanical Engineering for Competitions (31st.). Khanna Publisher.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJain, R.K. Mechanical Engineering for Competitions. 31st. New Delhi: Khanna Publisher, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJain, R.K. Mechanical Engineering for Competitions. 31st. Khanna Publisher, 2019.
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