Gay, L. R.
Research methods for business and management / L. R. Gay, P. L. Diehl. - Prentice Hall International 1996.
8790
Industrial management - Research - Methodology.
HD30.4 / Gay.
Research methods for business and management / L. R. Gay, P. L. Diehl. - Prentice Hall International 1996.
8790
Industrial management - Research - Methodology.
HD30.4 / Gay.