TY  - BOOK
AU  - Mundel, Marvin E. 
TI  - Motion and time study : improving productivity [6th ed.]
SN  - 0876925522
U1  - 658.542 
PY  - 1985///
CY  - New Delhi
PB  - Prentice Hall of India
KW  - Motion study
KW  - Time study
ER  -