Keller, G., Bartel, H., Warrack, B. Statistics for Management and Economics. A Systematic Approach,
Wadsworth Publishing Company, 1988, 987 p. : ill..
Keller, G., Bartel, H., Warrack, B. .
Statistics for Management and Economics. A Systematic Approach.
Belmont: Wadsworth Publishing Company, 1988, 987 p. : ill..
Keller, G., Bartel, H., Warrack, B. (1988)
Statistics for Management and Economics. A Systematic Approach,
Belmont: Wadsworth Publishing Company, 987 p. : ill.
Keller, G.,
Bartel, H., &
Warrack, B.
(1988).
Statistics for Management and Economics. A Systematic Approach. Monogr.. Belmont: Wadsworth Publishing Company, 987 p. : ill..