TY  - BOOK
AU  - Ullmann John E.
AU  - Theory and problems of quantitative methods in management 
TI  - Schaum's outline of theory and problems of quantitative methods in management
U1  - 658.4033 ULL  
PY  - 1987///
CY  - New York
PB  - McGraw-Hill Book Company
N1  - Includes index 
ER  -