Gill, J., & Johnson, P. (1997). Research methods for managers (2nd ed.). Paul Chapman.
Dyfyniad Arddull ChicagoGill, John, and Phil Johnson. Research Methods for Managers. 2nd ed. New York: Paul Chapman, 1997.
Dyfyniad MLAGill, John, and Phil Johnson. Research Methods for Managers. 2nd ed. Paul Chapman, 1997.
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