TY  - BOOK
AU  - Keller,Gerald
AU  - Warrack,Brian
AU  - Bartel,Henry
TI  - Statistics for management and economics: a system approach 
SN  - 0534126782
PY  - 1990///
CY  - Belmont, Calif.
PB  - Wadsworth
KW  - Probability and statistics
KW  - Management
KW  - Statistical methods
KW  - Economics
KW  - Վիճակագրություն
ER  -