TY  - BOOK
AU  - Speight,H.
TI  - Economics and industrial efficiency : : an introduction to manageri al economics / 
U1  - 658 SPE 
PY  - 1967///
CY  - London : 
PB  - Macmillan, 
KW  - Industrial management
N1  -  Bibliography : p. 259-260
ER  -