IRELAND, L. R. (1991). Quality Management For Projects And Programs. Project Management Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIRELAND, Lewis R. Quality Management For Projects And Programs. Project Management Institute, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रIRELAND, Lewis R. Quality Management For Projects And Programs. Project Management Institute, 1991.
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