Edwards, James Don, author
Accounting : a programmed text
R. D. Irwin, 1967
 Buku Teks
Schure, Alexander, author
A programmed course in basic pulse circuits
McGraw-Hill, 1978
 Buku Teks
Edwards, James Don, author
Accounting a programmed text; Volume II
Richard D. Irwin, 1968
 Buku Teks
Horton, Paul B., author
Personal learning aid for introductory sociology
Dow Jones Irwin, 1982
 Buku Teks
Ryan, William
Programed Learning Aid for Principle of Marketing
Learning System of Company, 1971
 Buku Teks
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