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Wiest jerme D & Levy Ferdineind K, . (1994). A Management guide to PERT /CPM. : N Delhi Prentice hill.
Wiest jerme D & Levy Ferdineind K, . 1994. A Management guide to PERT /CPM. : N Delhi Prentice hill.
Wiest jerme D & Levy Ferdineind K, . A Management guide to PERT /CPM. : N Delhi Prentice hill. 1994.
