Arrigo, Bruce A.
Pearson/Prentice Hall, 2006
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Bartol, Curt R.
Pearson Education, Inc., 2008
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Elsa Primadita
2017
UI - Tugas Akhir
Clinard, Marshall B. (Marshall Barron)
Cengage Learning, 2016
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Clinard, Marshall B. (Marshall Barron)
The Dryden Press, 1989
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