TY  - BOOK
AU  - Johnson
AU  - Bernard R Siskin
TI  - Quantitative techniques for business decisions 
SN  - 013746990X
U1  - 658.403 3 
PY  - 1977///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall of india private limited
KW  - Operations research
ER  -