Agor R. (2020). Civil Engineering for Competitions (33rd.). Khanna Publisher.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAgor R. Civil Engineering for Competitions. 33rd. New Delhi: Khanna Publisher, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAgor R. Civil Engineering for Competitions. 33rd. Khanna Publisher, 2020.
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