Nicholoas, J. M. S. (2019). Project Management for Engineering, Business & Technology (5th.). Routledge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNicholoas, John M.; Steyn. Project Management for Engineering, Business & Technology. 5th. USA: Routledge, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNicholoas, John M.; Steyn. Project Management for Engineering, Business & Technology. 5th. Routledge, 2019.
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