Wilson, Bright E., Jr.
An introduction to scientific research / E. Bright Wilson, Jr.
Dover Publications, 1990
 Buku Teks
Churchman, Charles West, 1913-
Introduction to operations research
Wiley, 1957
 Buku Teks
Churchman, Charles West, 1913-
Introduction to operations research
John Wiley & Sons, 1957
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Churchman, Charles West, 1913-
Introduction to operation research
John Wiley & Sons, 1961
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Wiersma, William
Research methods in education: an introduction
Pearson/Allyn and Bacon, 2005
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