Stallings, William
Data and computer communications
Macmillan, 1985
 Buku Teks SO
Stallings, William
Data and computer communications
Prentice Hall International, 1994
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Stalling, William
Data and computer communications
Maxwell Macmillan International, 1991
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Stallings, William
Data and computer communications
Pearson, 2014
 Buku Teks SO
White, Curt M.
Data communications and computer networks : a business user's approach
Course Technology, Thomson Learning, 2001
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