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1998
UI - Skripsi (Membership)
Bremer, Sidney Newton
Pustaka Binaman Pressindo, 1993
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2016
UI - Skripsi (Membership)
Welan Mauli Angguna, author
Fakultas Psikologi Universitas Indonesia, 2018
UI - Tesis (Membership)
Prajnya Ratnamaya Notodisuryo, author
Fakultas Psikologi Universitas Indonesia, 1997
UI - Skripsi (Membership)