TY  - BOOK
ED  - International Labour Office.
TI  - Introduction to work study
SN  - 922101939X :
AV  - T60 .I57 1979
U1  - 658.5/42 19
PY  - 1979///, c1978
CY  - Geneva
PB  - International Labour Office
KW  - Work measurement
KW  - Methods engineering
N1  - Errata slip inserted; Bibliography: p. 439-441
ER  -