A
study of a change from one shift of 9 hours to two shifts of 6 hours each
Two shifts of 6 hours each
Best, Ethel L. (Ethel Lombard)
creator
text
dcu
Washington
U.S. Govt. print. off.
1934
monographic
eng
v, 14 p. 23 cm.
by Ethel L. Best.
At head of title: U.S. Department of labor. Fransis Perkins, secretary. Woman's bureau. Mary Anderson, director.
Hours of labor
Women
Employment
Fatigue
HD6093 .A35 no. 116
Bulletin (United States. Women's Bureau) no. 116
l 34000025
DLC
931014
20260227111534.0
l 34000025