Smith, J.H.
Digital logic: basic theory and practice
Newnes-Butterworth, 1971
 Buku Teks SO
Digital library use : social practice in design and evaluation
edited by Ann Peterson Bishop, Nancy A. Van House and Barbara Pfeil Buttenfield
MIT Press, 2003
 Buku Teks SO
Lazinger, Susan S. [Susan Smernoff]
Digital preservation and metadata: history, theory, practice
Libraries Unlimited, 2001
 Buku Teks SO
Jain, R.P.
Digital electronics practice using integrated circuits
Tata McGraw-Hill, 1983
 Buku Teks SO
Chaffey, Dave, 1963-
Digital marketing : strategy, implementation and practice / Dave Chaffey, Fiona Ellis-Chadwick
Pear Education, 2012
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