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by Project Management Institute
by Arbinger Institute
by David Halliday (University of Pittsburgh); Robert Resnick (Rensselaer Polytechnic Institute); Jearl Walker (Cleveland State University)
by Project Mangement Institute
by PRINCETON REVIEW
by Ornstein, Allan C.; Levine, Daniel U.; Gutek, Gerry; et al.
by Douglas C. Montgomery (Georgia Institute of Technology); George C. Runger (Rensselaer Polytechnic Institute); Norma F. Hubele (Arizona State University )
by Kennedy, David M.; Bailey, Thomas
by Kolb, Larry J.
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