Personal Computers, 2001
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Conny Yuanita, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
UI - Skripsi (Membership)
Hawgood, David, author
Multimedia Gramedia Grup, 1986
Buku Teks
Barry, David
Prentice-Hall, 1985
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Boyd, Andrew
Methuen, 1985
Buku Teks