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