TY  - BOOK
AU  - Richard, L. Levin/ charles .A
TI  - Quantitative approaches to management
SN  - 0070373817
AV  - T 57.6 L4 1965 
PY  - 1965///
CY  - New York
PB  - MC- Graw Hill
KW  - Operation research
KW  - Management science
ER  -