TY  - BOOK
AU  - Manfield, Edwin 
TI  - Managerial economics and operations research : : A non mathematical introduction 
SN  - 0393099199
U1  - 658.4034 
PY  - 1970///
CY  - New York
PB  - W.W. Norton & Co.
KW  - Managerial economics.
KW  - Operations research
ER  -