1. Productivity in the U.S. services sector :
پدیدآورنده : Jack E. Triplett, Barry P. Bosworth
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : Industrial productivity-- United States-- Measurement,Service industries-- Labor productivity-- United States
رده :
HD9981
.
5
.
T74
2004