1. A practical guide to computer communications and networking
Author: Deasington, Richard J.
Library: Library and Documentation Center of Iranian Research Organization for Science and Technology (Tehran)
Subject: $AComputer networks
Classification :
TK
5105
.
5
.
D33
1984
2. X.25 explained : protocols for packet switching networks
Author: Deasington, R. J. )Richard J.(, 7591-
Library: Library of Niroo Research Institue (Tehran)
Subject: ، Computer network protocols,، Packet switching )Data transmission(
Classification :
TK
5105
.
5
.
D383
1986
