TY  - BOOK
AU  - Dudley,	Norman Alfred
TI  - Work measurement : : some research studies 
U1  - 658.542 
PY  - 1968///
CY  - London : 
PB  - Macmillan, 
KW  -  Travail -- Mesure
KW  - Management
N1  - Index includes
ER  -