TY  - BOOK
AU  - Friedman, Lawrence
AU  - Sasieni, Maurice
TI  - Operations research: methods and problems
AV  - T 57.6 Sas 
PY  - 1959///]
CY  - New York
PB  - John Wiley and Sons
KW  - RESEARCH COLLABORATION
KW  - OPERATIONS RESEARCH
ER  -