Stallings, William
Data and computer communications
Prentice-Hall, 2004
 Buku Teks SO
Stalling, William
Data and computer communications
Maxwell Macmillan International, 1991
 Buku Teks SO
Stallings, William
Data and computer communications
Macmillan, 1985
 Buku Teks SO
Stallings, William
Data and computer communications
Prentice Hall International, 1994
 Buku Teks SO
Basic guide to data communications
edited by Ray Sarch
McGraw-Hill, 1990
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