Harvard Business Review on Innovation
Harvard Business School Press, 2001
Buku Teks
Heldman, Robert K.
Future telecommunications : information applications, services & infrastructure
McGraw-Hill, 1993
Buku Teks
Bright, James R.
Research, development, and technological innovation; an introduction
R. D. Irwin , 1964
Buku Teks
Ayres, Robert U.
Technological forecasting and long-range planning
McGraw-Hill, 1969
Buku Teks
Technological transition from multi level perspectives
Artikel Jurnal