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Psychology Press, 2008
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Brekhus, Wayne.
MA Polity Press, 2015
Buku Teks
edited by Garth J.O. Fletcher and Margaret S. Clark
Blackwell, 2003
Buku Teks
Karima Septiani Kristyaningsih
Fakultas Psikologi Universitas Indonesia, 2023
UI - Skripsi (Membership)
Tyas Handayani
Fakultas Psikologi Universitas Indonesia, 1996
UI - Skripsi Membership