Morton E. Winston, Ralph D. Edelbach, editors
Wadsworth and Cengage Learning, 2012
Buku Teks
Technology Review, Inc,
Majalah, Jurnal, Buletin
Laudon, Kenneth C., 1944-
Pearson, 2017
Buku Teks
edited by Nigel Cross, David Elliott and Robin Roy
Hutchinson Educational , 1974
Buku Teks
Symposium on Appropriate Technology. November 30, 1976, Jakarta
Jakarta: University of Indonesia, 1977
Buku Teks