VERMA, V. K. (1996). Human Resource Skills For The Project Managers Volume 2. Project Management Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVERMA, Vijay K. Human Resource Skills For The Project Managers Volume 2. Project Management Institute, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVERMA, Vijay K. Human Resource Skills For The Project Managers Volume 2. Project Management Institute, 1996.
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