COREY, E. R. (1991). Industrial Marketing Cases And Concepts E. Raymond Corey. Prentice Hall.
Dyfyniad Arddull ChicagoCOREY, E. Raymond. Industrial Marketing Cases And Concepts E. Raymond Corey. Prentice Hall, 1991.
Dyfyniad MLACOREY, E. Raymond. Industrial Marketing Cases And Concepts E. Raymond Corey. Prentice Hall, 1991.
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