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Dyfyniad Arddull ChicagoKelkar, S.A. Information Technology Project Management: A Concise Study. 3rd ed. New Delhi: Prentice hall india learning, 2011.
Dyfyniad MLAKelkar, S.A. Information Technology Project Management: A Concise Study. 3rd ed. Prentice hall india learning, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.