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by Project Management Institute
by Polan, Elaine U., Ph.d.
by Arbinger Institute
by American Geological Institute, AGI; NAGT - National Association of Geoscience Teachers; Busch, Richard M.; et al.
by Larson, Charles U.
by Herring, George C.
by Malone, Bill C.
by David Halliday (University of Pittsburgh); Robert Resnick (Rensselaer Polytechnic Institute); Jearl Walker (Cleveland State University)
by Douglas C. Montgomery (Georgia Institute of Technology); George C. Runger (Rensselaer Polytechnic Institute); Norma F. Hubele (Arizona State University )
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