4[2]D.L.Keefer,W.A.Verdini:Better Estimation of PERT Activity Time Parameters.Management Science,1993(39):1086~1091.
5[4]Goldratt EM:Theory of Constraints.NY:North River Press,1990.
6[5]Goldratt E.M:Critical Chain.NY:North River Press,1997.
7[6]Newbold RC:Project Management in the Fast Lane:Applying the Theory of Constraints.Boca Raton,Florida:St,Lucie Press,1998.
8[7]Chiu-Chi Wei,Ping-Hung Liu:Resource-constrained project management using enhanced theory of constraint[J].International Journal of Project Management.2002(20):561~567.
9[8]Sood,Shailesh:Theory of constraints can change the way you manage your projects.Electronic Engineering Times,2002.