Rosnow, Ralph L.
Writing papers in psychology: a student guide / Ralph L. Rosnow, Mimi Rosnow
Wadsworth, 1992
 Buku Teks SO
Fadem, Barbara
Behavioral science
Wolter Kluwer, 2017
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Fadem, Barbara
Behavioral science
Harwal publishing, 1994
 Buku Teks SO
Pagano, Robert R.
Understanding statistics in the behavioral sciences
Wadsworth and Cengage Learning, 2013
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Nelson, Ralph L.
The Investment policies of foundations / Ralph L. Nelson
Russell Sage Foundation , 1967
 Buku Teks SO