TY  - BOOK
AU  - Khanna, O
TI  - Work study motion and time study
SN  - 978-81-89928-41-5
U1  - 658.5 
PY  - 2010///
CY  - New Delhi
PB  - Dhanpat Rai Pub
KW  - Mechanical Mechatronics Engineering
ER  -