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: Christensen D S
: The estimate at complete problem: a review of three studies : : 1993 : : International Journal of Project Management () : 1 : 24 : Christensen D.S. The estimate at complete problem: a review of three studies // International Journal of Project Management. 1993. Vol. 24. N 1. P. 37 42. : : 5516, : 0, : 0. |