TY  - BOOK
AU  - Barnes, Ralph M. 
TI  - Motion and time study : : design and measurement of work 
SN  - 0471053511
U1  - Prof. 658.54 B263 1968 
PY  - 1968///
CY  - Philippines: 
PB  - Phoenix Press, 
KW  - 1. Motion Study
KW  - 2. Time study
N1  - includes bibliographical references and index
ER  -