1. Productivity in the U.S. services sector :
Author: Jack E. Triplett, Barry P. Bosworth
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Industrial productivity-- United States-- Measurement,Service industries-- Labor productivity-- United States
Classification :
HD9981
.
5
.
T74
2004
2. The service productivity and quality challenge
Author: edited by Patrick T. Harker
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Labor productivity ، Service industries,، Industrial productivity
Classification :
HD
9980
.
5
.
S4252
1995
