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and the "program evaluation and review technique" or pert, was developed by the united states navy in conjunction with the lockheed corporation and booz allen hamilton as part of the polaris missile submarine program.
Η μέθοδος pert (program evaluation and review technique) αναπτύχθηκε από το Ναυτικό των Ηνωμένων Πολιτειών για το έργο για της ανάπτυξης των πυραυλικών συστημάτων polaris.
