1. Introduction to automated data process
Author: / [by] Robert G. Langenbach
Library: Library of Economics (Tehran)
Subject: Electronic data processing,Punched card systems
Classification :
HF
5548
.
2
.
L3
2. Introduction to automated data processing
Author: / Robert G. Langenbach
Library: University of Tabriz Library, Documentation and Publication Center (East Azarbaijan)
Subject: Electronic data processing
Classification :
HF5548
.
2
.
L26
3. Introduction to automated data processing
Author: LANGENBACH,ROBERT G
Library: Central Library of Amirkabir University of Technology (Tehran)
Subject: ELECTRONIC DATA PROCESSING , PUNCHED CARD SYSTEMS
Classification :
HF
5548
.
2
.
L26
4. Introduction to automated data processing
Author: / (by) Robert G. Langenbach
Library: Library of College of Science University of Tehran (Tehran)
Subject: Business -- Data processing,Punched card systems
Classification :
HF
5548
.
2
.
L26
5. Introduction to automated data processing
Author: / Robert G. Langenbach
Library: Central Library and Documents Center of Mazandaran University (Mazandaran)
Subject: Business- Data processing.,Punched card systems.
Classification :
HF5548
.
2
.
L26
6. Introduction to automated data processing
Author: Langenbach, Robert G.
Library: Central Library and Documentation Center (Kerman)
Subject: ، Business - Data processing,، Punched card systems
Classification :
HF
5548
.
2
.
L26
