TY  - BOOK
AU  - _David S.Rubin 
TI  - _Quantitative approaches to management.-6th ed. Richard I levin 
SN  - 70374678
AV  - T47.6 .L 1986  
CY  - New York McGraw hill 1986 
KW  - _Management
N1  - Includes index.; Includes index.
ER  -