Nugent William R., author
Practice Evaluation for the 21st Century
Thomson Learning, 2001
 Buku Teks
Patton, Michael Quinn, author
Qualitative research and evaluation methods
SAGE, 2015
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Bingham, Robert C., author
Economics concepts : a Programmed approach
McGraw-Hill, 1987
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Carman, Robert A., author
Basic mathematical skills: a guided approach
John Wiley & Sons, 1981
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Physics programs: optics vol. I
Edited by A.D. Boardman
John Wiley & Sons, 1980
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