TY  - BOOK
AU  - Douglas, Evan J.,
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : theory, practice, and problems 
SN  - 0135502365 :
SN  - 2
PY  - 1979///];copyright 197946
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Managerial economics
N1  - Includes bibliographies and indexes; 5
ER  -