Sullivan, Michael, author
Harvester Wheatsheaf, 1992
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Steven Nugraha, author
Fakultas Psikologi Universitas Indonesia , 2019
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Dinitto, Diana M., author
Prentice-Hall, 2000
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Dinitto, Diana M., author
Pearson, 2012
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Stein, Theodore J., author
Columbia University Press, 2001
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