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Passenger transportation
Gendreau, Michel, (1995)
Freight transportation
Operations research proceedings 1999 : selected papers of the Symposium on Operations Research (SOR '99), Magdeburg, September 1 - 3, 1999
Inderfurth, Karl, (2000)
Issues in theory testing using structural equation modeling : causation and ontological status of models and constructs
Wiley, James B., (2011)
Selecting techniques for use in an internet survey
Wiley, James B., (2009)
Choice based conjoint analysis : models and designs
Raghavarao, Damaraju, (2011)