Neimark, Edith D., author
Harcourt Brace Javanovich, 1987
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Manktelow, Ken
East Sussex Psychology Press , 1999
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Aditya Kusumanegara Gusnawan, author
Fakultas Psikologi Universitas Indonesia, 2019
UI - Skripsi (Membership)
Gentiga Muhammad Zairin, author
2014
UI - Skripsi (Membership)
Wilensky, Robert, author
Addison-Wesley, 1983
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