Bateman, James Frederick
How long was the workday in 1880's .-- Cambridge, Mss. : NBER , 1990
.--48 p. gráf. 30 cm. .-- ( NBER. Working Paper;15 ).
Resumen.- Bibliografía
ESTADOS UNIDOS
JORNADA DE TRABAJO
How long was the workday in 1880's .-- Cambridge, Mss. : NBER , 1990
.--48 p. gráf. 30 cm. .-- ( NBER. Working Paper;15 ).
Resumen.- Bibliografía
ESTADOS UNIDOS
JORNADA DE TRABAJO