TY  - BOOK
AU  - Ullman,John E.
TI  - Theory and problems of quantitative methods in management, including solved problems
SN  - 0070657424
U1  - HD/69.D4 
PY  - 1976///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - Decision-making -- Mathematical models.
ER  -